abscisic acid

One entry found for abscisic acid.

Main Entry: ab·scis·ic acid
Pronunciation: "ab-'si-zik-, -sik-
Function: noun
Etymology: abscision (variant of abscission) + -ic
: 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