auxin
/ˈɔːksɪn
/noun [mass noun]
A plant hormone which causes the elongation of cells in shoots and is involved in regulating plant growth. See also indoleacetic acid. the apex of a growing stem produces auxin [count noun]: gibberellin interacts with cytokinins and auxins...
- Falling levels of plant hormones such as auxin and the cytokinins are responsible.
- Hormones such as auxins and gibberellins trigger fruit cells to expand.
- New links to the plant hormone, auxin, were also uncovered.
Origin
1930s: coined in German from Greek auxein 'to increase' + -in1.
- throw good money after bad
- throw-in
- throwing stick
- throw in one's lot with
- throw in the towel (or sponge)
- throw money at
- throw off
- throw off at
- throw of the dice
- throw oneself at
- throw oneself into
- throw oneself on (or upon)
- throw oneself on someone's mercy
- throw one's hand in
- throw one's hat in (or into) the ring
- throw one's hat in the ring
- throw one's money about/around
- throw one's toys out of the pram
- throw one's weight about (or around)
- throw one's weight behind
- throw (or cast or shed) light on
- throw (or catch) someone off balance
- throw (or chuck)a seven
- throw (or knock) someone for a loop
- throw (or pour) cold water on