of or relating to light.
pertaining to the generation of light by organisms, or their excitation by means of light.
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How to use photic in a sentence
In these cases the photic stimulus produces partly chemical and partly mechanical changes.The Wonders of Life | Ernst Haeckel
The latent period of photic reaction is shortened with the increasing intensity of light.
I reproduce below two records of the effects of continuous photic and electric stimulation.
The tropic curve under geotropic stimulus is similar to that under photic stimulus.
I shall describe a device which gives a continuous record of photic variation for the whole day.
British Dictionary definitions for photic
of or concerned with light
biology of or relating to the production of light by organisms
Also: photobathic designating the zone of the sea where photosynthesis takes place
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for photic
Of or relating to light.
Penetrated by or receiving light.
Relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis. The depth of the photic zone is dependent on the clarity of the water and the amount and intensity of direct sunlight, although it does not usually exceed 200 m. Also called euphotic Compare aphotic.
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