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abscisic acid

ab·scis·ic acid [ ˌab-ˈsi-zik-]

abscisic acid

noun

[ˌab-ˈsi-zik-]

Definition of abscisic acid

: a plant hormone C₁₅H₂₀O₄ that is a sesquiterpene widespread in nature and that typically promotes leaf abscission and dormancy and has an inhibitory effect on cell elongation

First Known Use of abscisic acid

1968, in the meaning defined above

History and Etymology for abscisic acid

abscision (variant of abscission) + -ic entry 1

Dictionary Entries near abscisic acid