'Photic' definitions:
Definition of 'photic'
From: WordNet
adjective
Of or relating to or caused by light
Definition of 'Photic'
From: GCIDE
- Photic \Pho"tic\ (f[=o]"t[i^]k), a. [Gr. fw^s, fwto`s, light.] Of or pertaining to light; specifically, relating to the production of light by the lower animals. [Webster 1913 Suppl.]