单词 | carotenoid |
释义 | carotenoidnoun ca·rot·en·oid kə-ˈrä-tə-ˌnȯid variants or less commonly carotinoid : any of various usually yellow to red pigments (such as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units carotenoid adjective |
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