Dictionary

abscisic acid

noun ab·scis·ic acid \ˌab-ˈsi-zik-, -sik-\

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
ADVERTISEMENT

Origin of ABSCISIC ACID

abscision (variant of abscission) + -ic
First Known Use: 1968

Browse

Next Word in the Dictionary: abscisinPrevious Word in the Dictionary: absciseAll Words Near: abscisic acid
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears