"deltiology" meaning in English

{
  "etymology_templates": [
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      "args": {
        "1": "en",
        "2": "grc",
        "3": "δελτίον"
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      "expansion": "Ancient Greek δελτίον (deltíon)",
      "name": "uder"
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      "args": {
        "1": "en",
        "2": "-logy"
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      "expansion": "English -logy",
      "name": "cog"
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  "etymology_text": "Formed by suffixing the Ancient Greek δελτίον (deltíon) (deltion; the diminutive form of δέλτος (déltos), deltos, “writing tablet”) with the English -logy.",
  "head_templates": [
    {
      "args": {
        "1": "-"
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      "expansion": "deltiology (uncountable)",
      "name": "en-noun"
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
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            "Entries with incorrect language header",
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        {
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          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "name": "Terms with Hungarian translations",
          "parents": [],
          "source": "w"
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        {
          "kind": "other",
          "name": "Terms with Khmer translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Deltiology",
          "orig": "en:Deltiology",
          "parents": [
            "Hobbies",
            "Recreation",
            "Human activity",
            "Human behaviour",
            "Human",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "deltiologist"
        }
      ],
      "glosses": [
        "The study and collection of postcards."
      ],
      "hypernyms": [
        {
          "sense": "study and collection of postcards",
          "word": "collection"
        }
      ],
      "id": "en-deltiology-en-noun--1T5hXet",
      "links": [
        [
          "collection",
          "collection"
        ],
        [
          "postcard",
          "postcard"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "study and collection of postcards",
          "word": "postikorttien keräily"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "study and collection of postcards",
          "tags": [
            "feminine"
          ],
          "word": "deltiologie"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "study and collection of postcards",
          "tags": [
            "feminine"
          ],
          "word": "Philokartie"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "study and collection of postcards",
          "word": "képeslapgyűjtemény"
        },
        {
          "code": "km",
          "lang": "Khmer",
          "roman": "bann pray sa’nii vityie",
          "sense": "study and collection of postcards",
          "word": "បណ្ណប្រៃសនីយវិទ្យា"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "filokartija",
          "sense": "study and collection of postcards",
          "word": "филокартия"
        }
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "dĕltĭŏʹləjĭ",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˌdɛltɪˈɒlədʒɪ/",
      "tags": [
        "UK"
      ]
    },
    {
      "audio": "en-us-deltiology.ogg",
      "mp3_url": "https://upload.wikimedia.org/wikipedia/commons/transcoded/0/05/En-us-deltiology.ogg/En-us-deltiology.ogg.mp3",
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  ],
  "word": "deltiology"
}

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  "derived": [
    {
      "word": "deltiologist"
    }
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      "args": {
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      "expansion": "Ancient Greek δελτίον (deltíon)",
      "name": "uder"
    },
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        "1": "en",
        "2": "-logy"
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      "expansion": "English -logy",
      "name": "cog"
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  ],
  "etymology_text": "Formed by suffixing the Ancient Greek δελτίον (deltíon) (deltion; the diminutive form of δέλτος (déltos), deltos, “writing tablet”) with the English -logy.",
  "head_templates": [
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      "args": {
        "1": "-"
      },
      "expansion": "deltiology (uncountable)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "sense": "study and collection of postcards",
      "word": "collection"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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        "Pages with 1 entry",
        "Pages with entries",
        "Terms with Finnish translations",
        "Terms with French translations",
        "Terms with German translations",
        "Terms with Hungarian translations",
        "Terms with Khmer translations",
        "Terms with Russian translations",
        "en:Deltiology"
      ],
      "glosses": [
        "The study and collection of postcards."
      ],
      "links": [
        [
          "collection",
          "collection"
        ],
        [
          "postcard",
          "postcard"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "sounds": [
    {
      "enpr": "dĕltĭŏʹləjĭ",
      "tags": [
        "UK"
      ]
    },
    {
      "ipa": "/ˌdɛltɪˈɒlədʒɪ/",
      "tags": [
        "UK"
      ]
    },
    {
      "audio": "en-us-deltiology.ogg",
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  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "study and collection of postcards",
      "word": "postikorttien keräily"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "study and collection of postcards",
      "tags": [
        "feminine"
      ],
      "word": "deltiologie"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "study and collection of postcards",
      "tags": [
        "feminine"
      ],
      "word": "Philokartie"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "study and collection of postcards",
      "word": "képeslapgyűjtemény"
    },
    {
      "code": "km",
      "lang": "Khmer",
      "roman": "bann pray sa’nii vityie",
      "sense": "study and collection of postcards",
      "word": "បណ្ណប្រៃសនីយវិទ្យា"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "filokartija",
      "sense": "study and collection of postcards",
      "word": "филокартия"
    }
  ],
  "word": "deltiology"
}