auxin
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aux·in
(ôk′sĭn)n.
Any of several plant hormones that regulate various functions, including cell elongation.
aux·in′ic adj.
aux·in′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
auxin
(ˈɔːksɪn)n
(Biochemistry) any of various plant hormones, such as indoleacetic acid, that promote growth and control fruit and flower development. Synthetic auxins are widely used in agriculture and horticulture
[C20: from Greek auxein to grow]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
aux•in
(ˈɔk sɪn)n.
any of a class of substances that in minute amounts regulate or modify the growth of plants, esp. root formation, bud growth, and fruit and leaf drop.
[< German (1931) < Greek aúx(ein) to increase + German -in -in1]
aux•in′ic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
aux·in
(ôk′sĭn) Any of various hormones or similar substances that promote and regulate the growth and development of plants. Auxins are produced in areas (called the meristem) in which new plant cells are formed. Auxins are also produced artificially in laboratories for purposes such as speeding growth and regulating how fast a fruit will ripen.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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| Noun | 1. |  auxin - a plant hormone that promotes root formation and bud growthIAA, indoleacetic acid - a plant hormone promoting elongation of stems and roots indolebutyric acid - a synthetic plant hormone promoting elongation of stems and roots |
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Translations
auxin
[ˈɔːksɪn] n → auxinaCollins Italian Dictionary 1st Edition © HarperCollins Publishers 1995