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Noun

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carlactone (uncountable)

  1. (organic chemistry) The lactone 3-methyl-5-{[(1Z,3E)-2-methyl-4-(2,6,6-trimethylcyclohex-1-en-1-yl)buta-1,3-dien-1-yl]oxy}furan-2(5H)-one that is a plant hormone