[ jib-uh-rel-ik, jib- ]
/ ˈdʒɪb əˈrɛl ɪk, ˌdʒɪb- /
a gibberellin C18H21O4COOH, produced as a metabolite by the fungus Gibberella fujikuroi, used as a stimulator of plant growth.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for gibberellic acid
/ (ˌdʒɪbəˈrɛlɪk) /
a slightly soluble crystalline plant hormone first isolated from the fungus Gibberella fujikuroi : a gibberellin. Formula: C 19 H 22 O 6
Word Origin for gibberellic acid
C20: from New Latin Gibberella, literally: a little hump, from Latin gibber hump + -ic
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
Science definitions for gibberellic acid
[ jĭb′ə-rĕl′ĭk ]
A plant hormone that promotes growth and that is the most important of the gibberellins. It is used commercially to break dormancy of plants, promote germination, and increase or retard the development of fruit. Gibberellic acid is also a metabolic byproduct of certain fungi. Chemical formula: C19H22O6.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.