pro·vi·ta·min (pr -v  t -m n)n. A vitamin precursor that the body converts to its active form through normal metabolic processes. Carotene, for example, is a provitamin of vitamin A. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | provitamin - vitamin precursor; a substance that is converted into a vitamin in animal tissues hydrocarbon - an organic compound containing only carbon and hydrogen carotene, carotin, provitamin A - an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver |
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