noun gib·ber·el·lin \ˌji-bə-ˈre-lən\

Definition of gibberellin

  1. :  any of several growth-regulating plant hormones that promote cell elongation and activity of the cambium, induce parthenocarpy, and stimulate synthesis of nucleic acids and proteins

Origin and Etymology of gibberellin

New Latin Gibberella fujikoroi, fungus from which it was first isolated

First Known Use: 1939

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