[ foh-toh-ri-sep-shuh n ]
/ ˌfoʊ toʊ rɪˈsɛp ʃən /


the physiological perception of light.

Origin of photoreception

First recorded in 1905–10; photo- + reception

Related forms

pho·to·re·cep·tive, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for photoreception


[ fō′tō-rĭ-sĕpshən ]


The detection, absorption, and use of light, as for vision in animals or phototropism and photosynthesis in plants.

Related forms

pho′to•re•ceptive (-tĭv) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.