"sigmatic" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "σῖγμᾰ"
      },
      "expansion": "Ancient Greek σῖγμᾰ (sîgma)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "",
        "3": "σῑ́γμᾰτ-"
      },
      "expansion": "σῑ́γμᾰτ- (sī́gmat-)",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "ic"
      },
      "expansion": "+ -ic",
      "name": "suffix"
    }
  ],
  "etymology_text": "From the name of the letter s in Greek, Ancient Greek σῖγμᾰ (sîgma) (stem σῑ́γμᾰτ- (sī́gmat-)) + -ic.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sigmatic (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "asigmatic"
        }
      ],
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "57 43",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "74 26",
          "kind": "other",
          "name": "English terms suffixed with -ic",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "Having the consonant s added to the root in order to form a tense or case stem."
      ],
      "id": "en-sigmatic-en-adj-YSL4ie37",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "consonant",
          "consonant"
        ],
        [
          "root",
          "root"
        ],
        [
          "tense",
          "tense"
        ],
        [
          "case",
          "case"
        ],
        [
          "stem",
          "stem"
        ]
      ],
      "raw_glosses": [
        "(linguistics) Having the consonant s added to the root in order to form a tense or case stem."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ],
      "translations": [
        {
          "_dis1": "100 0",
          "code": "pl",
          "lang": "Polish",
          "sense": "linguistics",
          "word": "sygmatyczny"
        }
      ]
    },
    {
      "glosses": [
        "Relating to sigmatics."
      ],
      "id": "en-sigmatic-en-adj-PQ8jA~EO",
      "links": [
        [
          "sigmatics",
          "sigmatics"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "sigmatic"
}

{
  "categories": [
    "English adjectives",
    "English entries with incorrect language header",
    "English lemmas",
    "English terms derived from Ancient Greek",
    "English terms suffixed with -ic",
    "English uncomparable adjectives"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "grc",
        "3": "σῖγμᾰ"
      },
      "expansion": "Ancient Greek σῖγμᾰ (sîgma)",
      "name": "der"
    },
    {
      "args": {
        "1": "grc",
        "2": "",
        "3": "σῑ́γμᾰτ-"
      },
      "expansion": "σῑ́γμᾰτ- (sī́gmat-)",
      "name": "m"
    },
    {
      "args": {
        "1": "en",
        "2": "",
        "3": "ic"
      },
      "expansion": "+ -ic",
      "name": "suffix"
    }
  ],
  "etymology_text": "From the name of the letter s in Greek, Ancient Greek σῖγμᾰ (sîgma) (stem σῑ́γμᾰτ- (sī́gmat-)) + -ic.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "sigmatic (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "antonyms": [
        {
          "word": "asigmatic"
        }
      ],
      "categories": [
        "en:Linguistics"
      ],
      "glosses": [
        "Having the consonant s added to the root in order to form a tense or case stem."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "consonant",
          "consonant"
        ],
        [
          "root",
          "root"
        ],
        [
          "tense",
          "tense"
        ],
        [
          "case",
          "case"
        ],
        [
          "stem",
          "stem"
        ]
      ],
      "raw_glosses": [
        "(linguistics) Having the consonant s added to the root in order to form a tense or case stem."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    },
    {
      "glosses": [
        "Relating to sigmatics."
      ],
      "links": [
        [
          "sigmatics",
          "sigmatics"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "linguistics",
      "word": "sygmatyczny"
    }
  ],
  "word": "sigmatic"
}