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| a·ri·bo·fla·vi·no·sis [ ay rbə flayvə nṓssiss ] |
noun |
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| Definition: |
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deficiency of vitamin B2: a condition caused by a dietary deficiency of vitamin B2riboflavin. The symptoms are mouth lesions and excessive oiliness of the skin and hair.
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| [Mid-20th century. <a-2 + riboflavin] |
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