"jackknife" meaning in English

See jackknife in All languages combined, or Wiktionary

Noun

Forms: jackknives [plural]
Head templates: {{en-noun|jackknives}} jackknife (plural jackknives)
  1. Alternative spelling of jack-knife Tags: alt-of, alternative Alternative form of: jack-knife
    Sense id: en-jackknife-en-noun-~CwjWg2m
  2. (statistics) A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate. Categories (topical): Statistics
    Sense id: en-jackknife-en-noun-4-YEB4nx Categories (other): English entries with incorrect language header Disambiguation of English entries with incorrect language header: 20 60 21 Topics: mathematics, sciences, statistics
The following are not (yet) sense-disambiguated
Synonyms: leave-one-out [statistics, mathematics, sciences]

Verb

Forms: jackknifes [present, singular, third-person], jackknifing [participle, present], jackknifed [participle, past], jackknifed [past]
Head templates: {{en-verb}} jackknife (third-person singular simple present jackknifes, present participle jackknifing, simple past and past participle jackknifed)
  1. Alternative spelling of jack-knife Tags: alt-of, alternative Alternative form of: jack-knife
    Sense id: en-jackknife-en-verb-~CwjWg2m

Inflected forms

Alternative forms

Download JSON data for jackknife meaning in English (2.6kB)

{
  "forms": [
    {
      "form": "jackknives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "jackknives"
      },
      "expansion": "jackknife (plural jackknives)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jack-knife"
        }
      ],
      "categories": [],
      "examples": [
        {
          "ref": "1887, Julian Hawthorne, A Tragic Mystery: From the Diary of Inspector Byrnes, page 25",
          "text": "[…] near it is a cluster of weapons of villanous aspect, comprising every thing from a Malayan creese to a sailor's jackknife or a Smith & Wesson revolver.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of jack-knife"
      ],
      "id": "en-jackknife-en-noun-~CwjWg2m",
      "links": [
        [
          "jack-knife",
          "jack-knife#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Statistics",
          "orig": "en:Statistics",
          "parents": [
            "Formal sciences",
            "Mathematics",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "20 60 21",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate."
      ],
      "id": "en-jackknife-en-noun-4-YEB4nx",
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "resampling",
          "resampling"
        ],
        [
          "estimator",
          "estimator"
        ]
      ],
      "raw_glosses": [
        "(statistics) A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    }
  ],
  "synonyms": [
    {
      "_dis1": "0 0",
      "topics": [
        "statistics",
        "mathematics",
        "sciences"
      ],
      "word": "leave-one-out"
    }
  ],
  "word": "jackknife"
}

{
  "forms": [
    {
      "form": "jackknifes",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "jackknifing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "jackknifed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "jackknifed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jackknife (third-person singular simple present jackknifes, present participle jackknifing, simple past and past participle jackknifed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jack-knife"
        }
      ],
      "glosses": [
        "Alternative spelling of jack-knife"
      ],
      "id": "en-jackknife-en-verb-~CwjWg2m",
      "links": [
        [
          "jack-knife",
          "jack-knife#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "jackknife"
}
{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with irregular plurals",
    "English verbs"
  ],
  "forms": [
    {
      "form": "jackknives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "jackknives"
      },
      "expansion": "jackknife (plural jackknives)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jack-knife"
        }
      ],
      "categories": [
        "English terms with quotations",
        "Quotation templates to be cleaned"
      ],
      "examples": [
        {
          "ref": "1887, Julian Hawthorne, A Tragic Mystery: From the Diary of Inspector Byrnes, page 25",
          "text": "[…] near it is a cluster of weapons of villanous aspect, comprising every thing from a Malayan creese to a sailor's jackknife or a Smith & Wesson revolver.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Alternative spelling of jack-knife"
      ],
      "links": [
        [
          "jack-knife",
          "jack-knife#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    },
    {
      "categories": [
        "en:Statistics"
      ],
      "glosses": [
        "A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate."
      ],
      "links": [
        [
          "statistics",
          "statistics"
        ],
        [
          "resampling",
          "resampling"
        ],
        [
          "estimator",
          "estimator"
        ]
      ],
      "raw_glosses": [
        "(statistics) A resampling method that applies estimators to all subsamples that each omit a single different group (possibly of a single datapoint) of the original sample to provide a sample distribution of the estimate."
      ],
      "topics": [
        "mathematics",
        "sciences",
        "statistics"
      ]
    }
  ],
  "synonyms": [
    {
      "topics": [
        "statistics",
        "mathematics",
        "sciences"
      ],
      "word": "leave-one-out"
    }
  ],
  "word": "jackknife"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English nouns with irregular plurals",
    "English verbs"
  ],
  "forms": [
    {
      "form": "jackknifes",
      "tags": [
        "present",
        "singular",
        "third-person"
      ]
    },
    {
      "form": "jackknifing",
      "tags": [
        "participle",
        "present"
      ]
    },
    {
      "form": "jackknifed",
      "tags": [
        "participle",
        "past"
      ]
    },
    {
      "form": "jackknifed",
      "tags": [
        "past"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "jackknife (third-person singular simple present jackknifes, present participle jackknifing, simple past and past participle jackknifed)",
      "name": "en-verb"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "verb",
  "senses": [
    {
      "alt_of": [
        {
          "word": "jack-knife"
        }
      ],
      "glosses": [
        "Alternative spelling of jack-knife"
      ],
      "links": [
        [
          "jack-knife",
          "jack-knife#English"
        ]
      ],
      "tags": [
        "alt-of",
        "alternative"
      ]
    }
  ],
  "word": "jackknife"
}

This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-03 from the enwiktionary dump dated 2024-05-02 using wiktextract (f4fd8c9 and c9440ce). 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.