from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several plant hormones, such as gibberellic acid, used to promote stem elongation.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of a class of diterpene plant growth hormones first isolated from the fungus Gibberella fujikuroi.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a plant hormone isolated from a fungus; used in promoting plant growth
From New Latin Gibberella (fujikoroī), the fungus from which gibberellin was first isolated, from Latin gibberella, feminine diminutive of gibber, hump.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin gibber ("hump"). (Wiktionary)