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carotenoid

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carotenoid

Main Entry:: ca·rot·en·oid
Variant(s):: also ca·rot·in·oid \kə-ˈrä-tə-ˌnȯid\
Function:: noun
Date:: 1911

: any of various usually yellow to red pigments (as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units

— carotenoid adjective

Learn more about "carotenoid" and related topics at Britannica.com

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