Abscissin
Pronunciation
- US IPA: /ˈæb.sə.sən/, /æbˈsɪs.ən/
Alternative forms
Origin
Noun
abscissin
(usually uncountable; plural abscissins)- (biochemistry, dated) A plant hormone controlling the dropping off or abscission of certain plant parts, notably the leaves of trees in autumn or cotton bolls.
Usage notes
In recent years this term has been replaced by abscisic acid