"sigma" meaning in English

See sigma in All languages combined, or Wiktionary

Noun

IPA: /ˈsɪɡmə/ Audio: En-us-sigma.ogg Forms: sigmas [plural], sigmata [plural]
Rhymes: -ɪɡmə Etymology: From Ancient Greek σῖγμα (sîgma), σίγμα (sígma), probably from the root sig- as seen in σίζω (sízō) (< sig-yo "to hiss") + -μα (-ma). Etymology templates: {{uder|en|grc|σῖγμα}} Ancient Greek σῖγμα (sîgma) Head templates: {{en-noun|s|sigmata}} sigma (plural sigmas or sigmata)
  1. The eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient. Categories (topical): Greek letter names Translations (letter of the Greek alphabet): σῖγμα (sîgma) [neuter] (Ancient Greek), سِيغْمَا (sīḡmā) [feminine] (Arabic), سِقْما (sigma) [Hijazi-Arabic] (Arabic), sigma [feminine] (Catalan), 西格瑪 (Chinese Mandarin), 西格玛 (Chinese Mandarin), 西格馬 (Chinese Mandarin), 西格马 (xīgémǎ) (Chinese Mandarin), sigma [neuter] (Czech), sigma [masculine] (Dutch), sigmo (Esperanto), sigma (Finnish), sigma [masculine] (French), sigma [masculine] (Galician), Sigma [neuter] (German), σίγμα (sígma) [neuter] (Greek), סִיגְמָא (sígma) [feminine] (Hebrew), szigma (Hungarian), sigma (Interlingua), sigme [feminine] (Irish), シグマ (shiguma) (Japanese), 시그마 (sigeuma) (Korean), sigma (Malay), hikama (Maori), سیگما (sigmâ) (Persian), sigma [feminine] (Polish), sigma [masculine] (Portuguese), си́гма (sígma) [feminine] (Russian), sigma [neuter] (Slovak), sigma [feminine] (Spanish), sigma (Swedish), ซิกมา (sík-mâa) (Thai)
    Sense id: en-sigma-en-noun-2eDqBpav Disambiguation of Greek letter names: 39 14 19 29 Categories (other): Terms with Ancient Greek translations, Terms with Greek translations Disambiguation of Terms with Ancient Greek translations: 56 8 8 27 Disambiguation of Terms with Greek translations: 49 10 8 33 Disambiguation of 'letter of the Greek alphabet': 77 6 5 12
  2. (mathematics) The symbol Σ, used to indicate summation of a set or series. Categories (topical): Mathematics
    Sense id: en-sigma-en-noun-OWtIOZLG Topics: mathematics, sciences
  3. (statistics) The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution. Categories (topical): Statistics Derived forms (within one sigma): the range from the mean, plus, minus one standard deviation, usually covering 68% of the data points in a normal distribution
    Sense id: en-sigma-en-noun-Us2q2ajv Topics: mathematics, sciences, statistics Disambiguation of 'within one sigma': 7 11 75 7
  4. (Internet slang) A sigma male (a self-reliant and assertive male). Tags: Internet
    Sense id: en-sigma-en-noun-HJ2gqECW Categories (other): English entries with incorrect language header, English undefined derivations, Entries with translation boxes, Pages with 12 entries, Pages with entries, Terms with Arabic translations, Terms with Catalan translations, Terms with Czech translations, Terms with Dutch translations, Terms with Esperanto translations, Terms with Finnish translations, Terms with French translations, Terms with Galician translations, Terms with German translations, Terms with Hebrew translations, Terms with Hijazi Arabic translations, Terms with Hungarian translations, Terms with Interlingua translations, Terms with Irish translations, Terms with Japanese translations, Terms with Korean translations, Terms with Malay translations, Terms with Mandarin translations, Terms with Maori translations, Terms with Persian translations, Terms with Polish translations, Terms with Portuguese translations, Terms with Russian translations, Terms with Slovak translations, Terms with Spanish translations, Terms with Swedish translations, Terms with Thai translations Disambiguation of English entries with incorrect language header: 27 6 5 63 Disambiguation of English undefined derivations: 25 11 9 55 Disambiguation of Entries with translation boxes: 24 6 6 64 Disambiguation of Pages with 12 entries: 1 19 11 2 2 25 2 11 1 2 2 19 1 2 Disambiguation of Pages with entries: 1 20 11 1 1 28 1 12 1 1 1 20 1 1 Disambiguation of Terms with Arabic translations: 26 11 11 52 Disambiguation of Terms with Catalan translations: 26 8 9 57 Disambiguation of Terms with Czech translations: 23 10 9 58 Disambiguation of Terms with Dutch translations: 24 9 8 59 Disambiguation of Terms with Esperanto translations: 26 6 7 61 Disambiguation of Terms with Finnish translations: 24 8 9 59 Disambiguation of Terms with French translations: 25 9 8 59 Disambiguation of Terms with Galician translations: 24 8 9 59 Disambiguation of Terms with German translations: 24 8 8 60 Disambiguation of Terms with Hebrew translations: 28 8 10 55 Disambiguation of Terms with Hijazi Arabic translations: 21 4 3 72 Disambiguation of Terms with Hungarian translations: 26 12 12 50 Disambiguation of Terms with Interlingua translations: 26 6 6 62 Disambiguation of Terms with Irish translations: 27 8 9 56 Disambiguation of Terms with Japanese translations: 25 7 6 63 Disambiguation of Terms with Korean translations: 26 8 9 57 Disambiguation of Terms with Malay translations: 25 7 8 59 Disambiguation of Terms with Mandarin translations: 25 10 11 54 Disambiguation of Terms with Maori translations: 25 8 9 58 Disambiguation of Terms with Persian translations: 24 7 8 60 Disambiguation of Terms with Polish translations: 24 10 10 56 Disambiguation of Terms with Portuguese translations: 25 7 8 60 Disambiguation of Terms with Russian translations: 24 7 6 63 Disambiguation of Terms with Slovak translations: 24 7 8 61 Disambiguation of Terms with Spanish translations: 25 6 6 63 Disambiguation of Terms with Swedish translations: 26 8 9 58 Disambiguation of Terms with Thai translations: 24 7 9 60
The following are not (yet) sense-disambiguated
Derived forms: delta-sigma converter, final sigma, lunate sigma, sigma additivity, sigma bond, sigma darner (taxonomic: Austroaeschna sigma), sigma-delta converter, sigmalike, sigma male, sigmatic, sigmatism, the sigma

Inflected forms

{
  "derived": [
    {
      "_dis1": "0 0 0 0",
      "word": "delta-sigma converter"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "final sigma"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "lunate sigma"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "sigma additivity"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "sigma bond"
    },
    {
      "_dis1": "0 0 0 0",
      "taxonomic": "Austroaeschna sigma",
      "word": "sigma darner"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "sigma-delta converter"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "sigmalike"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "sigma male"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "sigmatic"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "sigmatism"
    },
    {
      "_dis1": "0 0 0 0",
      "word": "the sigma"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "σῖγμα"
      },
      "expansion": "Ancient Greek σῖγμα (sîgma)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Ancient Greek σῖγμα (sîgma), σίγμα (sígma), probably from the root sig- as seen in σίζω (sízō) (< sig-yo \"to hiss\") + -μα (-ma).",
  "forms": [
    {
      "form": "sigmas",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "sigmata",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "sigmata"
      },
      "expansion": "sigma (plural sigmas or sigmata)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "56 8 8 27",
          "kind": "other",
          "name": "Terms with Ancient Greek translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "49 10 8 33",
          "kind": "other",
          "name": "Terms with Greek translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "39 14 19 29",
          "kind": "topical",
          "langcode": "en",
          "name": "Greek letter names",
          "orig": "en:Greek letter names",
          "parents": [
            "Letter names",
            "Letters, symbols, and punctuation",
            "Names",
            "Orthography",
            "All topics",
            "Proper nouns",
            "Terms by semantic function",
            "Writing",
            "Fundamental",
            "Nouns",
            "Human behaviour",
            "Language",
            "Lemmas",
            "Human",
            "Communication"
          ],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "ref": "\"Herodotus: On The Customs of the Persians\", I.139",
          "text": "Their names, which are expressive of some bodily or mental excellence, all end with the same letter---the letter which is called San by the Dorians, and Sigma by the Ionians.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient."
      ],
      "id": "en-sigma-en-noun-2eDqBpav",
      "links": [
        [
          "Classical",
          "Classical Greek"
        ],
        [
          "Modern Greek",
          "Modern Greek"
        ],
        [
          "alphabet",
          "alphabet"
        ],
        [
          "Σ",
          "Σ#Translingual"
        ],
        [
          "σ",
          "σ#Translingual"
        ],
        [
          "Old",
          "Old Greek"
        ],
        [
          "Ancient",
          "Ancient Greek"
        ]
      ],
      "translations": [
        {
          "_dis1": "77 6 5 12",
          "code": "ar",
          "lang": "Arabic",
          "roman": "sīḡmā",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "feminine"
          ],
          "word": "سِيغْمَا"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "acw",
          "lang": "Arabic",
          "roman": "sigma",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "Hijazi-Arabic"
          ],
          "word": "سِقْما"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "ca",
          "lang": "Catalan",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "feminine"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "letter of the Greek alphabet",
          "word": "西格瑪"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "letter of the Greek alphabet",
          "word": "西格玛"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "sense": "letter of the Greek alphabet",
          "word": "西格馬"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "xīgémǎ",
          "sense": "letter of the Greek alphabet",
          "word": "西格马"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "cs",
          "lang": "Czech",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "neuter"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "nl",
          "lang": "Dutch",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "masculine"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "eo",
          "lang": "Esperanto",
          "sense": "letter of the Greek alphabet",
          "word": "sigmo"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "fi",
          "lang": "Finnish",
          "sense": "letter of the Greek alphabet",
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "fr",
          "lang": "French",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "masculine"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "gl",
          "lang": "Galician",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "masculine"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "de",
          "lang": "German",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "neuter"
          ],
          "word": "Sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "el",
          "lang": "Greek",
          "roman": "sígma",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "neuter"
          ],
          "word": "σίγμα"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "grc",
          "lang": "Ancient Greek",
          "roman": "sîgma",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "neuter"
          ],
          "word": "σῖγμα"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "he",
          "lang": "Hebrew",
          "roman": "sígma",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "feminine"
          ],
          "word": "סִיגְמָא"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "hu",
          "lang": "Hungarian",
          "sense": "letter of the Greek alphabet",
          "word": "szigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "ia",
          "lang": "Interlingua",
          "sense": "letter of the Greek alphabet",
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "ga",
          "lang": "Irish",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "feminine"
          ],
          "word": "sigme"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "ja",
          "lang": "Japanese",
          "roman": "shiguma",
          "sense": "letter of the Greek alphabet",
          "word": "シグマ"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "ko",
          "lang": "Korean",
          "roman": "sigeuma",
          "sense": "letter of the Greek alphabet",
          "word": "시그마"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "ms",
          "lang": "Malay",
          "sense": "letter of the Greek alphabet",
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "mi",
          "lang": "Maori",
          "sense": "letter of the Greek alphabet",
          "word": "hikama"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "fa",
          "lang": "Persian",
          "roman": "sigmâ",
          "sense": "letter of the Greek alphabet",
          "word": "سیگما"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "pl",
          "lang": "Polish",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "feminine"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "pt",
          "lang": "Portuguese",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "masculine"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "ru",
          "lang": "Russian",
          "roman": "sígma",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "feminine"
          ],
          "word": "си́гма"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "sk",
          "lang": "Slovak",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "neuter"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "es",
          "lang": "Spanish",
          "sense": "letter of the Greek alphabet",
          "tags": [
            "feminine"
          ],
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "sv",
          "lang": "Swedish",
          "sense": "letter of the Greek alphabet",
          "word": "sigma"
        },
        {
          "_dis1": "77 6 5 12",
          "code": "th",
          "lang": "Thai",
          "roman": "sík-mâa",
          "sense": "letter of the Greek alphabet",
          "word": "ซิกมา"
        }
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The symbol Σ, used to indicate summation of a set or series."
      ],
      "id": "en-sigma-en-noun-OWtIOZLG",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "summation",
          "summation"
        ],
        [
          "set",
          "set"
        ],
        [
          "series",
          "series"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The symbol Σ, used to indicate summation of a set or series."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
          "parents": [
            "Formal sciences",
            "Mathematics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "_dis1": "7 11 75 7",
          "sense": "within one sigma",
          "word": "the range from the mean"
        },
        {
          "_dis1": "7 11 75 7",
          "sense": "within one sigma",
          "word": "plus"
        },
        {
          "_dis1": "7 11 75 7",
          "sense": "within one sigma",
          "word": "minus one standard deviation"
        },
        {
          "_dis1": "7 11 75 7",
          "sense": "within one sigma",
          "word": "usually covering 68% of the data points in a normal distribution"
        }
      ],
      "examples": [
        {
          "text": "2011, Paul Rincon, (bbc.co.uk) LHC: Higgs boson 'may have been glimpsed'\nNone of the spikes seen by the experiments is at much more than the \"two sigma\" level of certainty.\nA level of \"five sigma\" is required to claim a discovery, meaning there is less than a one in a million chance the data spike is down to a statistical fluke."
        }
      ],
      "glosses": [
        "The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution."
      ],
      "id": "en-sigma-en-noun-Us2q2ajv",
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "standard deviation",
          "standard deviation"
        ],
        [
          "mean",
          "mean"
        ],
        [
          "normal distribution",
          "normal distribution"
        ]
      ],
      "raw_glosses": [
        "(statistics) The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    },
    {
      "categories": [
        {
          "_dis": "27 6 5 63",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "25 11 9 55",
          "kind": "other",
          "name": "English undefined derivations",
          "parents": [
            "Undefined derivations",
            "Entry maintenance"
          ],
          "source": "w+disamb"
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        },
        {
          "_dis": "24 7 8 60",
          "kind": "other",
          "name": "Terms with Persian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 10 10 56",
          "kind": "other",
          "name": "Terms with Polish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "25 7 8 60",
          "kind": "other",
          "name": "Terms with Portuguese translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 7 6 63",
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 7 8 61",
          "kind": "other",
          "name": "Terms with Slovak translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "25 6 6 63",
          "kind": "other",
          "name": "Terms with Spanish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "26 8 9 58",
          "kind": "other",
          "name": "Terms with Swedish translations",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "24 7 9 60",
          "kind": "other",
          "name": "Terms with Thai translations",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A sigma male (a self-reliant and assertive male)."
      ],
      "id": "en-sigma-en-noun-HJ2gqECW",
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "sigma male",
          "sigma male#Noun"
        ]
      ],
      "raw_glosses": [
        "(Internet slang) A sigma male (a self-reliant and assertive male)."
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsɪɡmə/"
    },
    {
      "audio": "En-us-sigma.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/02/En-us-sigma.ogg/En-us-sigma.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/02/En-us-sigma.ogg"
    },
    {
      "rhymes": "-ɪɡmə"
    }
  ],
  "word": "sigma"
}
{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with irregular plurals",
    "English terms derived from Ancient Greek",
    "English undefined derivations",
    "Entries missing English vernacular names of taxa",
    "Entries using missing taxonomic name (species)",
    "Entries with translation boxes",
    "Pages with 12 entries",
    "Pages with entries",
    "Rhymes:English/ɪɡmə",
    "Rhymes:English/ɪɡmə/2 syllables",
    "Terms with Ancient Greek translations",
    "Terms with Arabic translations",
    "Terms with Catalan translations",
    "Terms with Czech translations",
    "Terms with Dutch translations",
    "Terms with Esperanto translations",
    "Terms with Finnish translations",
    "Terms with French translations",
    "Terms with Galician translations",
    "Terms with German translations",
    "Terms with Greek translations",
    "Terms with Hebrew translations",
    "Terms with Hijazi Arabic translations",
    "Terms with Hungarian translations",
    "Terms with Interlingua translations",
    "Terms with Irish translations",
    "Terms with Japanese translations",
    "Terms with Korean translations",
    "Terms with Malay translations",
    "Terms with Mandarin translations",
    "Terms with Maori translations",
    "Terms with Persian translations",
    "Terms with Polish translations",
    "Terms with Portuguese translations",
    "Terms with Russian translations",
    "Terms with Slovak translations",
    "Terms with Spanish translations",
    "Terms with Swedish translations",
    "Terms with Thai translations",
    "en:Greek letter names"
  ],
  "derived": [
    {
      "word": "delta-sigma converter"
    },
    {
      "word": "final sigma"
    },
    {
      "word": "lunate sigma"
    },
    {
      "word": "sigma additivity"
    },
    {
      "word": "sigma bond"
    },
    {
      "taxonomic": "Austroaeschna sigma",
      "word": "sigma darner"
    },
    {
      "word": "sigma-delta converter"
    },
    {
      "word": "sigmalike"
    },
    {
      "word": "sigma male"
    },
    {
      "word": "sigmatic"
    },
    {
      "word": "sigmatism"
    },
    {
      "word": "the sigma"
    },
    {
      "sense": "within one sigma",
      "word": "the range from the mean"
    },
    {
      "sense": "within one sigma",
      "word": "plus"
    },
    {
      "sense": "within one sigma",
      "word": "minus one standard deviation"
    },
    {
      "sense": "within one sigma",
      "word": "usually covering 68% of the data points in a normal distribution"
    }
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "σῖγμα"
      },
      "expansion": "Ancient Greek σῖγμα (sîgma)",
      "name": "uder"
    }
  ],
  "etymology_text": "From Ancient Greek σῖγμα (sîgma), σίγμα (sígma), probably from the root sig- as seen in σίζω (sízō) (< sig-yo \"to hiss\") + -μα (-ma).",
  "forms": [
    {
      "form": "sigmas",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "sigmata",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "s",
        "2": "sigmata"
      },
      "expansion": "sigma (plural sigmas or sigmata)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English terms with quotations"
      ],
      "examples": [
        {
          "ref": "\"Herodotus: On The Customs of the Persians\", I.139",
          "text": "Their names, which are expressive of some bodily or mental excellence, all end with the same letter---the letter which is called San by the Dorians, and Sigma by the Ionians.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "The eighteenth letter of the Classical and Modern Greek alphabets (Σ, σ), the twentieth letter of Old and Ancient."
      ],
      "links": [
        [
          "Classical",
          "Classical Greek"
        ],
        [
          "Modern Greek",
          "Modern Greek"
        ],
        [
          "alphabet",
          "alphabet"
        ],
        [
          "Σ",
          "Σ#Translingual"
        ],
        [
          "σ",
          "σ#Translingual"
        ],
        [
          "Old",
          "Old Greek"
        ],
        [
          "Ancient",
          "Ancient Greek"
        ]
      ]
    },
    {
      "categories": [
        "en:Mathematics"
      ],
      "glosses": [
        "The symbol Σ, used to indicate summation of a set or series."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "summation",
          "summation"
        ],
        [
          "set",
          "set"
        ],
        [
          "series",
          "series"
        ]
      ],
      "raw_glosses": [
        "(mathematics) The symbol Σ, used to indicate summation of a set or series."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Statistics"
      ],
      "examples": [
        {
          "text": "2011, Paul Rincon, (bbc.co.uk) LHC: Higgs boson 'may have been glimpsed'\nNone of the spikes seen by the experiments is at much more than the \"two sigma\" level of certainty.\nA level of \"five sigma\" is required to claim a discovery, meaning there is less than a one in a million chance the data spike is down to a statistical fluke."
        }
      ],
      "glosses": [
        "The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution."
      ],
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "standard deviation",
          "standard deviation"
        ],
        [
          "mean",
          "mean"
        ],
        [
          "normal distribution",
          "normal distribution"
        ]
      ],
      "raw_glosses": [
        "(statistics) The symbol σ, used to indicate one standard deviation from the mean, particularly in a normal distribution."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    },
    {
      "categories": [
        "English internet slang"
      ],
      "glosses": [
        "A sigma male (a self-reliant and assertive male)."
      ],
      "links": [
        [
          "Internet",
          "Internet"
        ],
        [
          "slang",
          "slang"
        ],
        [
          "sigma male",
          "sigma male#Noun"
        ]
      ],
      "raw_glosses": [
        "(Internet slang) A sigma male (a self-reliant and assertive male)."
      ],
      "tags": [
        "Internet"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈsɪɡmə/"
    },
    {
      "audio": "En-us-sigma.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/02/En-us-sigma.ogg/En-us-sigma.ogg.mp3",
      "ogg_url": "https://upload.wikimedia.org/wikipedia/commons/0/02/En-us-sigma.ogg"
    },
    {
      "rhymes": "-ɪɡmə"
    }
  ],
  "translations": [
    {
      "code": "ar",
      "lang": "Arabic",
      "roman": "sīḡmā",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "feminine"
      ],
      "word": "سِيغْمَا"
    },
    {
      "code": "acw",
      "lang": "Arabic",
      "roman": "sigma",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "Hijazi-Arabic"
      ],
      "word": "سِقْما"
    },
    {
      "code": "ca",
      "lang": "Catalan",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "feminine"
      ],
      "word": "sigma"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "letter of the Greek alphabet",
      "word": "西格瑪"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "letter of the Greek alphabet",
      "word": "西格玛"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "sense": "letter of the Greek alphabet",
      "word": "西格馬"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "xīgémǎ",
      "sense": "letter of the Greek alphabet",
      "word": "西格马"
    },
    {
      "code": "cs",
      "lang": "Czech",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "neuter"
      ],
      "word": "sigma"
    },
    {
      "code": "nl",
      "lang": "Dutch",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "masculine"
      ],
      "word": "sigma"
    },
    {
      "code": "eo",
      "lang": "Esperanto",
      "sense": "letter of the Greek alphabet",
      "word": "sigmo"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "letter of the Greek alphabet",
      "word": "sigma"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "masculine"
      ],
      "word": "sigma"
    },
    {
      "code": "gl",
      "lang": "Galician",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "masculine"
      ],
      "word": "sigma"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "neuter"
      ],
      "word": "Sigma"
    },
    {
      "code": "el",
      "lang": "Greek",
      "roman": "sígma",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "neuter"
      ],
      "word": "σίγμα"
    },
    {
      "code": "grc",
      "lang": "Ancient Greek",
      "roman": "sîgma",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "neuter"
      ],
      "word": "σῖγμα"
    },
    {
      "code": "he",
      "lang": "Hebrew",
      "roman": "sígma",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "feminine"
      ],
      "word": "סִיגְמָא"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "letter of the Greek alphabet",
      "word": "szigma"
    },
    {
      "code": "ia",
      "lang": "Interlingua",
      "sense": "letter of the Greek alphabet",
      "word": "sigma"
    },
    {
      "code": "ga",
      "lang": "Irish",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "feminine"
      ],
      "word": "sigme"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "shiguma",
      "sense": "letter of the Greek alphabet",
      "word": "シグマ"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "sigeuma",
      "sense": "letter of the Greek alphabet",
      "word": "시그마"
    },
    {
      "code": "ms",
      "lang": "Malay",
      "sense": "letter of the Greek alphabet",
      "word": "sigma"
    },
    {
      "code": "mi",
      "lang": "Maori",
      "sense": "letter of the Greek alphabet",
      "word": "hikama"
    },
    {
      "code": "fa",
      "lang": "Persian",
      "roman": "sigmâ",
      "sense": "letter of the Greek alphabet",
      "word": "سیگما"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "feminine"
      ],
      "word": "sigma"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "masculine"
      ],
      "word": "sigma"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "sígma",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "feminine"
      ],
      "word": "си́гма"
    },
    {
      "code": "sk",
      "lang": "Slovak",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "neuter"
      ],
      "word": "sigma"
    },
    {
      "code": "es",
      "lang": "Spanish",
      "sense": "letter of the Greek alphabet",
      "tags": [
        "feminine"
      ],
      "word": "sigma"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "letter of the Greek alphabet",
      "word": "sigma"
    },
    {
      "code": "th",
      "lang": "Thai",
      "roman": "sík-mâa",
      "sense": "letter of the Greek alphabet",
      "word": "ซิกมา"
    }
  ],
  "word": "sigma"
}

Download raw JSONL data for sigma meaning in English (8.8kB)


This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-12-21 from the enwiktionary dump dated 2024-12-04 using wiktextract (d8cb2f3 and 4e554ae). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.