photobiotic

[ foh-toh-bahy-ot-ik, -bee- ]
/ ˌfoʊ toʊ baɪˈɒt ɪk, -bi- /

adjective Botany, Zoology.

living or thriving only in the presence of light.

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Origin of photobiotic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Medical definitions for photobiotic

photobiotic
[ fō′tō-bī-ŏtĭk ]

adj.

Depending on light for life and growth.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.