what is carotene
Definition of CAROTENE. : any of several orange or red crystalline hydrocarbon pigments (as C40H56) that occur in the chromoplasts of plants and in the fatty tissues of plant-eating animals and are convertible to vitamin A â compare beta-carotene.See carotene defined for kids. ADVERTISEMENT. any of several orange or red crystalline hydrocarbon pigments (as C40H56) that occur in the chromoplasts of plants and in the fatty tissues of plant-eating animals and are convertible to vitamin A â compare beta-carotene. See carotene defined for kids. ADVERTISEMENT.