Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Any of various hormones produced by plants that control or regulate germination, growth, metabolism, or other physiological activities.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry Any of many substances, produced by plants, that
control orregulate theirgermination ,growth ,metabolism etc.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun (botany) a plant product that acts like a hormone
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