gibberellin

[jib-uh-rel-in]

noun Biochemistry.

any of a class of growth hormones occurring in fungi and plants.

Origin of gibberellin

1935–40; < New Latin Gibberell(a) (see gibberellic acid) + -in²

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British Dictionary definitions for gibberellin

gibberellin

noun

any of several plant hormones, including gibberellic acid, whose main action is to cause elongation of the stem: used in promoting the growth of plants, in the malting of barley, etc

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

gibberellin in Science

gibberellin

[jĭb′ə-rĕl′ĭn]

Any of numerous plant hormones, especially gibberellic acid, that promote stem elongation. The seeds, young shoots, and roots of plants contain gibberellins, and they are also found in fungi.