"-tropin" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "-tropic",
        "3": "-in",
        "nocat": "1",
        "t1": "attracted to or acting upon"
      },
      "expansion": "-tropic (“attracted to or acting upon”) + -in",
      "name": "af"
    }
  ],
  "etymology_text": "From -tropic (“attracted to or acting upon”) + -in.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
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      "expansion": "-tropin",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-tropin",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with language name categories using raw markup",
          "parents": [
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          "source": "w"
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          "kind": "other",
          "name": "English terms suffixed with -in",
          "parents": [],
          "source": "w"
        },
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          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Hormones",
          "orig": "en:Hormones",
          "parents": [
            "Biomolecules",
            "Biochemistry",
            "Body parts",
            "Organic compounds",
            "Biology",
            "Chemistry",
            "Body",
            "Anatomy",
            "Matter",
            "Sciences",
            "Human",
            "Medicine",
            "Nature",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Hormone."
      ],
      "id": "en--tropin-en-suffix-tPUTXY-k",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "Hormone",
          "hormone"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) Hormone."
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ],
      "translations": [
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "-tropina"
        }
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtɹəʊ.pɪn/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈtɹoʊ.pɪn/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "word": "-tropin"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "-tropic",
        "3": "-in",
        "nocat": "1",
        "t1": "attracted to or acting upon"
      },
      "expansion": "-tropic (“attracted to or acting upon”) + -in",
      "name": "af"
    }
  ],
  "etymology_text": "From -tropic (“attracted to or acting upon”) + -in.",
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "suffix",
        "cat2": "",
        "cat3": "",
        "head": "",
        "id": ""
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      "expansion": "-tropin",
      "name": "head"
    },
    {
      "args": {},
      "expansion": "-tropin",
      "name": "en-suffix"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "suffix",
  "senses": [
    {
      "categories": [
        "English 2-syllable words",
        "English entries with language name categories using raw markup",
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        "English terms with IPA pronunciation",
        "English terms with non-redundant non-automated sortkeys",
        "Translation table header lacks gloss",
        "en:Hormones"
      ],
      "glosses": [
        "Hormone."
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "Hormone",
          "hormone"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) Hormone."
      ],
      "tags": [
        "morpheme"
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ˈtɹəʊ.pɪn/",
      "tags": [
        "Received-Pronunciation"
      ]
    },
    {
      "ipa": "/ˈtɹoʊ.pɪn/",
      "tags": [
        "General-American"
      ]
    }
  ],
  "translations": [
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "-tropina"
    }
  ],
  "word": "-tropin"
}