Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun provitamin_a

1 sense of provitamin a

Sense 1
provitamin A, carotene, carotin -- (an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver)
       => provitamin -- (vitamin precursor; a substance that is converted into a vitamin in animal tissues)