provitamin A 1
noundomain: substance
Princeton WordNet [ver.3.1]
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EnglishDefinition
an orange isomer of an unsaturated hydrocarbon found in many plants; is converted into vitamin A in the liver
Hypernym
provitamin 1
noun
vitamin precursor; a substance that is converted into a vitamin in animal tissues
EnglishHyponym
beta-carotene 1
noun
an isomer of carotene that is found in dark green and dark yellow fruits and vegetables
