ALL meanings of abscisic acid

ab·scis·ic ac·id
A a
  • noun abscisic acid a type of acid that causes abscission 3
  • noun abscisic acid an organic acid, C15H20O4, which acts as a growth regulator causing dormancy and abscission of leaves and fruit 3
  • noun abscisic acid a growth-regulating plant hormone, C 15 H 20 O 4 , that promotes dormancy and the aging and abscission of leaves. 1
  • noun abscisic acid (biochemistry) A terpenoid best known as a plant hormone that inhibits seed germination and was once thought to be important in abscission. 0
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