Gibberellin

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  gibberellin \gibberellin\ n. (Chem.),
     Any of a number plant growth hormones, the first of which was
     isolated in 1938 from the fungus {Gibberella fujikuroi}; more
     than 60 related gibberelins are known. The most important is
     {gibberellin A3}, also called {gibberellic acid}. They are
     used in agriculture for promoting plant growth.


     [WordNet 1.5 +PJC]

From WordNet (r) 2.0 [wn]:

  gibberellin
       n : a plant hormone isolated from a fungus; used in promoting
           plant growth