Auxin Definition
ôksĭn
auxins
noun
Any of several plant hormones that regulate various functions, including cell elongation.
American Heritage
A plant hormone, esp. indoleacetic acid, produced in the fruits, seeds, leaves, or stem tips, to promote longitudinal growth and to control bud growth, root formation, leaf abscission, etc.: also produced synthetically.
Webster's New World
(botany) A class of plant growth substance (often called phytohormones or plant hormones) which play an essential role in coordination of many growth and behavioral processes in the plant life cycle.
Wiktionary
Other Word Forms of Auxin
Noun
Singular:
auxin
Plural:
auxinsOrigin of Auxin
-
From Greek auxein to grow aug- in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
From Ancient Greek αὐξάνειν (auxanein, “to grow”).
From Wiktionary
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