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.
Basically, photoreceptors in the eye take two main forms, rods and cones. Elaine Glusac, New York Times, 10 Jan. 2025 Then the mole lost functional genes for cone photoreceptors, which are involved in perceiving bright light and color vision. Nell Greenfieldboyce, NPR, 2 Jan. 2025 With 12 types of photoreceptors (compared to humans' piddly three – red, green, and blue), mantis shrimp can see all the colors, including parts of the ultraviolet and infrared spectrum. New Atlas, 24 Dec. 2024 Located at the back of the retina, photoreceptors convert light into signals that are sent to the brain. Emily Mullin, WIRED, 25 Oct. 2024 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

Dictionary Entries Near photoreceptor

Cite this Entry

“Photoreceptor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/photoreceptor. Accessed 18 Jan. 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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