photobiotic

photobiotic

[foh-toh-bahy-ot-ik, -bee-]
adjective Botany, Zoology.
living or thriving only in the presence of light.

Origin:
photo- + biotic

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American Heritage
Medical Dictionary

photobiotic pho·to·bi·ot·ic (fō'tō-bī-ŏt'ĭk)
adj.
Depending on light for life and growth.

The American Heritage® Stedman's Medical Dictionary
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