provitamin

[ proh-vahy-tuh-min; British also proh-vit-uh-min ]
/ proʊˈvaɪ tə mɪn; British also proʊˈvɪt ə mɪn /

noun Biochemistry.

a substance that an organism can transform into a vitamin, as carotene, which is converted to vitamin A in the liver.

Origin of provitamin

First recorded in 1925–30; pro-1 + vitamin

British Dictionary definitions for provitamin

provitamin
/ (prəʊˈvɪtəmɪn) /

noun

a substance, such as carotene, that is converted into a vitamin in animal tissues

Medical definitions for provitamin

provitamin
[ prō-vītə-mĭn ]

n.

A vitamin precursor that is converted to its active form through normal metabolic processes.