carotene in British English
(ˈkærəˌtiːn) or carotin (ˈkærətɪn)
nounany of four orange-red isomers of an unsaturated hydrocarbon present in many plants (β-carotene is the orange pigment of carrots) and converted to vitamin A in the liver. Formula: C40H56
Word origin
C19 carotin, from Latin
carōta carrot; see
-ene