provitamin

/proʊˈvaɪdəmən/

Definitions of provitamin

1. noun

   vitamin precursor; a substance that is converted into a vitamin in animal tissues
   types:

   carotene, carotin, provitamin A

   an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver

   beta-carotene

   an isomer of carotene that is found in dark green and dark yellow fruits and vegetables

   type of:

   hydrocarbon

   an organic compound containing only carbon and hydrogen