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photobiotic

American

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

adjective

Botany, Zoology.

living or thriving only in the presence of light.

Etymology

Origin of photobiotic

photo- + biotic

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.