"glyptology" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "glyptology (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "The study of engraving, especially on precious stones."
      ],
      "id": "en-glyptology-en-noun-Hpoj2P~~",
      "related": [
        {
          "word": "glyptic"
        },
        {
          "word": "glyptological"
        },
        {
          "word": "glyptologist"
        }
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡlɪpˈtɒləd͡ʒi/"
    }
  ],
  "word": "glyptology"
}

{
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "glyptology (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "glyptic"
    },
    {
      "word": "glyptological"
    },
    {
      "word": "glyptologist"
    }
  ],
  "senses": [
    {
      "categories": [
        "English 4-syllable words",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms with IPA pronunciation",
        "English uncountable nouns"
      ],
      "glosses": [
        "The study of engraving, especially on precious stones."
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ɡlɪpˈtɒləd͡ʒi/"
    }
  ],
  "word": "glyptology"
}