auxin - WordReference.com Dictionary of English

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auxin

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Concise Oxford English Dictionary © 2008 Oxford University Press:
auxin /ˈɔːksɪn/

▶noun a plant growth hormone which causes the elongation of cells in shoots.

– origin 1930s: coined in Ger. from Gk auxein ‘to increase’ + -in1.

'auxin' also found in these Oxford entries:

indoleacetic acid

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