plant hormone


plant hormone
noun
(botany) a plant product that acts like a hormone
Topics: ↑botany, ↑phytology
Hypernyms: ↑plant product
Hyponyms: ↑auxin, ↑gibberellin, ↑kinin, ↑cytokinin

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noun
1. : a plant regulator (as indoleacetic acid or ethylene) produced by plants that usually moves within the plant from the site of production to the site of action — called also phytohormone
2. : a synthetic plant regulator

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plant hormone,
any one of a group of substances that affect the growth of plants, including auxins, gibberellins, cytokinins, abscisic acid, and ethylene.

Useful english dictionary. 2012.

Look at other dictionaries:

  • Plant hormone — Plant hormones (also known as phytohormones) are chemicals that regulate plant growth. Plant hormones are signal molecules produced within the plant, and occur in extremely low concentrations. Hormones regulate cellular processes in targeted… …   Wikipedia

  • plant hormone — plant n an organic substance other than a nutrient that in minute amounts modifies a plant physiological process esp one produced by a plant and active elsewhere than at the site of production called also phytohormone …   Medical dictionary

  • plant hormone — n. an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc. * * * …   Universalium

  • plant hormone — n. an organic chemical, as auxin, produced by plant cells and functioning at various sites to regulate growth, turning, metabolic processes, etc …   English World dictionary

  • plant hormone — noun Date: 1935 an organic substance other than a nutrient that in minute amounts modifies a plant physiological process; especially one produced by a plant and active elsewhere than at the site of production …   New Collegiate Dictionary

  • plant hormone — See: plant growth regulator …   Glossary of Biotechnology

  • plant hormone — noun Any of many substances, produced by plants, that control or regulate their germination, growth, metabolism etc. Syn: phytohormone …   Wiktionary

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