"pterin" meaning in English

{
  "etymology_text": "From Greek: πτερόν (pteron) = wing (because it was first found in butterfly wings).",
  "forms": [
    {
      "form": "pterins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "pterin (countable and uncountable, plural pterins)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Cantonese terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with redundant transliterations",
          "parents": [
            "Terms with redundant transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Cantonese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Japanese translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Korean translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Mandarin translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Organic compounds",
          "orig": "en:Organic compounds",
          "parents": [
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "derived": [
        {
          "word": "pteridine"
        }
      ],
      "glosses": [
        "A ketonic amide derivative of pteridine responsible for some of the colouring in nature. It is also a component of folic acid."
      ],
      "id": "en-pterin-en-noun-9~EFZb-k",
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "ketonic",
          "ketonic"
        ],
        [
          "amide",
          "amide"
        ],
        [
          "pteridine",
          "pteridine"
        ],
        [
          "folic acid",
          "folic acid"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A ketonic amide derivative of pteridine responsible for some of the colouring in nature. It is also a component of folic acid."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "yue",
          "lang": "Chinese Cantonese",
          "roman": "dip⁶ ling⁴",
          "sense": "derivative of pteridine",
          "word": "蝶呤"
        },
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "diélìng",
          "sense": "derivative of pteridine",
          "word": "蝶呤"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "puterin",
          "sense": "derivative of pteridine",
          "word": "プテリン"
        },
        {
          "code": "ko",
          "lang": "Korean",
          "roman": "peuterin",
          "sense": "derivative of pteridine",
          "word": "프테린"
        }
      ],
      "wikipedia": [
        "pterin"
      ]
    }
  ],
  "word": "pterin"
}

{
  "derived": [
    {
      "word": "pteridine"
    }
  ],
  "etymology_text": "From Greek: πτερόν (pteron) = wing (because it was first found in butterfly wings).",
  "forms": [
    {
      "form": "pterins",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "pterin (countable and uncountable, plural pterins)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Cantonese terms with redundant transliterations",
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English uncountable nouns",
        "Mandarin terms with redundant transliterations",
        "Terms with Cantonese translations",
        "Terms with Japanese translations",
        "Terms with Korean translations",
        "Terms with Mandarin translations",
        "en:Organic compounds"
      ],
      "glosses": [
        "A ketonic amide derivative of pteridine responsible for some of the colouring in nature. It is also a component of folic acid."
      ],
      "links": [
        [
          "organic chemistry",
          "organic chemistry"
        ],
        [
          "ketonic",
          "ketonic"
        ],
        [
          "amide",
          "amide"
        ],
        [
          "pteridine",
          "pteridine"
        ],
        [
          "folic acid",
          "folic acid"
        ]
      ],
      "raw_glosses": [
        "(organic chemistry) A ketonic amide derivative of pteridine responsible for some of the colouring in nature. It is also a component of folic acid."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "chemistry",
        "natural-sciences",
        "organic-chemistry",
        "physical-sciences"
      ],
      "wikipedia": [
        "pterin"
      ]
    }
  ],
  "translations": [
    {
      "code": "yue",
      "lang": "Chinese Cantonese",
      "roman": "dip⁶ ling⁴",
      "sense": "derivative of pteridine",
      "word": "蝶呤"
    },
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "diélìng",
      "sense": "derivative of pteridine",
      "word": "蝶呤"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "puterin",
      "sense": "derivative of pteridine",
      "word": "プテリン"
    },
    {
      "code": "ko",
      "lang": "Korean",
      "roman": "peuterin",
      "sense": "derivative of pteridine",
      "word": "프테린"
    }
  ],
  "word": "pterin"
}