Photic Definition
fōtĭk
adjective
Of light.
Webster's New World
Having to do with the effect of light upon, or the production of light by, organisms.
Webster's New World
Designating or relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis.
The photic zone of the ocean.
American Heritage
Of, related to, or irradiated by light; especially describing that part of the near-surface ocean is which photosynthesis is possible.
Wiktionary
Origin of Photic
photo- +"Ž -ic
From Wiktionary
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