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Noun

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spheroidenone (uncountable)

  1. (organic chemistry) The carotenoid ketone (4E,6E,8E,10E,12E,14E,16E,18E,20E,22E,26E)-2-methoxy-2,6,10,14,19,23,27,31-octamethyldotriaconta-4,6,8,10,12,14,16,18,20,22,26,30-dodecaen-3-one