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phototropism |
Also found in: Medical, Wikipedia, Hutchinson | 0.04 sec. |
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phototropism 1. the growth response of plant parts to the stimulus of light, producing a bending towards the light source 2. the response of animals to light: sometimes used as another word for phototaxis phototropism [fō′tä·trə‚piz·əm] (botany) A growth-mediated response of a plant to stimulation by visible light. (solid-state physics) A reversible change in the structure of a solid exposed to light or other radiant energy, accompanied by a change in color. Also known as phototropy. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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