phototropic

phototropic

[foh-tuh-trop-ik, -troh-pik]
adjective Botany.
1.
growing toward or away from the light.
2.
taking a particular direction under the influence of light.

Origin:
1895–1900; photo- + -tropic

phototropically, adverb
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World English Dictionary
phototropism (ˌfəʊtəʊˈtrəʊpɪzəm)
 
n
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; phototaxis
 
photo'tropic
 
adj

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