"vitamin B2" meaning in English

{
  "forms": [
    {
      "form": "vitamin B₂",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "vitamin B₂"
      },
      "expansion": "vitamin B₂ (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"
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          "source": "w"
        },
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          "name": "Entries with translation boxes",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Finnish links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
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        },
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        },
        {
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          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Russian links with redundant target parameters",
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        },
        {
          "kind": "other",
          "name": "Swahili links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Finnish translations",
          "parents": [],
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        },
        {
          "kind": "other",
          "name": "Terms with Russian translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Terms with Swahili translations",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Vitamins",
          "orig": "en:Vitamins",
          "parents": [
            "Biomolecules",
            "Biochemistry",
            "Body parts",
            "Organic compounds",
            "Biology",
            "Chemistry",
            "Body",
            "Anatomy",
            "Matter",
            "Sciences",
            "All topics",
            "Medicine",
            "Nature",
            "Fundamental",
            "Healthcare",
            "Health"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "riboflavin"
      ],
      "id": "en-vitamin_B2-en-noun-afq0kdpA",
      "links": [
        [
          "riboflavin",
          "riboflavin"
        ]
      ],
      "tags": [
        "uncountable"
      ],
      "translations": [
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "riboflavin",
          "word": "B₂-vitamiini"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "vitamín B₂",
          "sense": "riboflavin",
          "word": "витами́н B₂"
        },
        {
          "code": "sw",
          "lang": "Swahili",
          "sense": "riboflavin",
          "word": "vitamini B₂"
        }
      ]
    }
  ],
  "word": "vitamin B2"
}

{
  "forms": [
    {
      "form": "vitamin B₂",
      "tags": [
        "canonical"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "-",
        "head": "vitamin B₂"
      },
      "expansion": "vitamin B₂ (uncountable)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms spelled with numbers",
        "English uncountable nouns",
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        "Pages with entries",
        "Russian links with redundant target parameters",
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        "Terms with Finnish translations",
        "Terms with Russian translations",
        "Terms with Swahili translations",
        "en:Vitamins"
      ],
      "glosses": [
        "riboflavin"
      ],
      "links": [
        [
          "riboflavin",
          "riboflavin"
        ]
      ],
      "tags": [
        "uncountable"
      ]
    }
  ],
  "translations": [
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "riboflavin",
      "word": "B₂-vitamiini"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "vitamín B₂",
      "sense": "riboflavin",
      "word": "витами́н B₂"
    },
    {
      "code": "sw",
      "lang": "Swahili",
      "sense": "riboflavin",
      "word": "vitamini B₂"
    }
  ],
  "word": "vitamin B2"
}