photoreceptor

noun

pho·​to·​re·​cep·​tor ˌfō-tō-ri-ˈsep-tər How to pronounce photoreceptor (audio)
: a receptor for light stimuli

Examples of photoreceptor in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The two main photoreceptor cells in the retina, cones and rods, transfer the light into electric signals. Lucy Notarantonio, MSNBC Newsweek, 1 May 2025 The doses of laser lights individually controlled up to 1,000 photoreceptors in the human eye at once, according to the research. Terry Collins, USA Today, 24 Apr. 2025 Novel color via stimulation of individual photoreceptors at population scale NIH. Monica Cull, Discover Magazine, 22 Apr. 2025 Our retinas contain three types of cone cells, photoreceptors that detect the wavelengths of light. Jacek Krywko, Scientific American, 18 Apr. 2025 See All Example Sentences for photoreceptor

Word History

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of photoreceptor was in 1906

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Cite this Entry

“Photoreceptor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photoreceptor. Accessed 6 May. 2025.

Medical Definition

photoreceptor

noun
pho·​to·​re·​cep·​tor -ˈsep-tər How to pronounce photoreceptor (audio)
: a receptor for light stimuli

More from Merriam-Webster on photoreceptor

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