Definition of auxin in English:
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
More example sentences
- 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.
Definition of auxin in:
- US English dictionary
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