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Definition of auxin noun from the Oxford Advanced Learner's Dictionary

auxin

noun

/ˈɔːksɪn/

/ˈɔːksɪn/

[uncountable]

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a plant hormone that is involved in controlling plant growth
Word Origin1930s: coined in German from Greek auxein ‘to increase’ + -in.

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See auxin in the Oxford Advanced American Dictionary

Check pronunciation: auxin

Nearby words

noun

From the Word list

B2

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