auxin

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aux·in

 (ôk′sĭn)
n.
Any of several plant hormones that regulate various functions, including cell elongation.

[From Greek auxein, to grow; see aug- in Indo-European roots.]

aux·in′ic adj.
aux·in′i·cal·ly adv.

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]

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.

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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.auxin - a plant hormone that promotes root formation and bud growthauxin - a plant hormone that promotes root formation and bud growth
growth regulator, phytohormone, plant hormone - (botany) a plant product that acts like a hormone
IAA, indoleacetic acid - a plant hormone promoting elongation of stems and roots
indolebutyric acid - a synthetic plant hormone promoting elongation of stems and roots
Translations

auxin

[ˈɔːksɪn] nauxina
References in periodicals archive ?
Dip the base of each cutting in hormone rooting powder and insert to half their length in pots of moist, well-draining compost.
Cut beneath a leaf node where there is a concentration of growth hormones, dip in rooting powder and plant in a pot.
Dip the tip into hormone rooting powder, then put six cuttings around the edge of a 12cm pot filled with half seed compost and half sharp sand or perlite, water well and leave to drain.
Dust with hormone rooting powder and keep the wound open with sphagnum moss.
In future, dip cuttings in a rooting powder that contains fungicide and root them in a warm place.
Dip the cut ends in rooting powder (available at garden centers), then stick the cuttings in the seed-starting mix.
Dip the cut end in hormone rooting powder or liquid, covering the lower 6mm (1/4in) of the cutting before inserting it in a pot filled with seed compost.
Dip all cuttings in hormone rooting powder, a product carried by most nurseries.
I never use rooting powder and only occasionally water with a fungicide.
Make sure the side of the moss treated with rooting powder makes firm contact with the cut part of the stem.
Dip the end in hormone rooting powder then insert the cuttings in pots of compost.