Dictionary Thesaurus Word Dynamo Quotes Reference Translator Spanish

photoreceptor

[foh-toh-ri-sep-ter]

noun Physiology, Biology.

a receptor stimulated by light.

Origin:
1905–10; photo- + receptor

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source

Link To photoreceptor

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Photoreceptor is always a great word to know.

So is migrate. Does it mean:

occurring independently of volition, as certain muscular actions; involuntary

to move from one region of the body to another, as in embryonic development

LEARN MORE UNUSUAL WORDS WITH WORD DYNAMO...

Collins

World English Dictionary

photoreceptor (ˌfəʊtəʊrɪˈsɛptə)

—n
	zoology, physiol a light-sensitive cell or organ that conveys impulses through the sensory neuron connected to it

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source

American Heritage

Medical Dictionary

photoreceptor pho·to·re·cep·tor (fō'tō-rĭ-sěp'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.
Cite This Source

American Heritage

Science Dictionary

photoreceptor

(fō'tō-rĭ-sěp'tər) Pronunciation Key

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.

Word Dynamo Rating For Photoreceptor

People who can define Photoreceptor may know 45,520 words, as many as a 12th grader.

How many words do you know?

Upgrade to Ad-free Premium Membership!

Quote Of The Day

"If someday I make a dictionary of definitions wanting single words to head them, a cherished entry will be "To abridge, expand, or otherwise alter or cause to be altered for the sake of belated improvement, one's own writings in translation.""

-Vladimir Nabokov

Partners:Word Bloglines Citysearch The Daily Beast Ask Answers Ask Kids Life123 Sendori Thesaurus

About Privacy Policy Terms of Use API Careers Advertise with Us Contact Us Help