Dictionary.com
definitions
  • synonyms

photoreceptor

[foh-toh-ri-sep-ter]
See more synonyms for photoreceptor on Thesaurus.com
noun Physiology, Biology.
  1. a receptor stimulated by light.
Show More

Origin of photoreceptor

First recorded in 1905–10; photo- + receptor
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for photoreceptor

photoreceptor

noun
  1. zoology physiol a light-sensitive cell or organ that conveys impulses through the sensory neuron connected to it
Show More
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

photoreceptor in Medicine

photoreceptor

(fō′tō-rĭ-sĕptər)
n.
  1. A nerve ending, cell, or group of cells specialized to sense or receive light.
Show More
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

photoreceptor in Science

photoreceptor

[fō′tō-rĭ-sĕptər]
  1. A specialized structure or cell that is sensitive to light. In vertebrate animals, the photoreceptors are the rods and cones of the eye's retina. See Note at circadian rhythm.
  2. An electronic device that converts light energy into electrical signals. Photoreceptors are used in photocopy and facsimile machines, cameras, and solar cells.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.