auxin
noun
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Definition of auxin
1 : any of various usually acidic organic substances that promote cell elongation in plant shoots and usually regulate other growth processes (such as root initiation): such as
b : any of various synthetic substances (such as 2,4-D) resembling indoleacetic acid in activity and used especially in research and agriculture
2 : plant hormone
Other Words from auxin
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adjective
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More Definitions for auxin
auxin
noun
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Medical Definition of auxin
: an organic substance that is able in low concentrations to promote elongation of plant shoots and usually to control other specific growth effects broadly : plant hormone
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