photoreceptor
[ foh-toh-ri-sep-ter ]
/ ˌfoʊ toʊ rɪˈsɛp tər /
noun Physiology, Biology.
a receptor stimulated by light.
QUIZZES
THIS WEEK’S WORD OF THE DAY QUIZ IS POSITIVELY FELICIFIC
Do you study our Words of the Day with great assiduity? See how many you remember from March 30 to April 5!
Question 1 of 7
transliterate
Words nearby photoreceptor
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for photoreceptor
photoreceptor
/ (ˌfəʊtəʊrɪˈsɛptə) /
noun
zoology physiol a light-sensitive cell or organ that conveys impulses through the sensory neuron connected to it
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
Medical definitions for photoreceptor
photoreceptor
[ fō′tō-rĭ-sĕp′tər ]
n.
A nerve ending, cell, or group of cells specialized to sense or receive light.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for photoreceptor
photoreceptor
[ fō′tō-rĭ-sĕp′tər ]
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.
An electronic device that converts light energy into electrical signals. Photoreceptors are used in photocopy and facsimile machines, cameras, and solar cells.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.