no·​ci·​cep·​tor | \ ˌnō-si-ˈsep-tər How to pronounce nociceptor (audio) \

Definition of nociceptor

: a receptor (as in the skin) for nociceptive stimuli : a pain sense organ

Examples of nociceptor in a Sentence

Recent Examples on the Web At the anatomical level, fish have neurons known as nociceptors, which detect potential harm, such as high temperatures, intense pressure, and caustic chemicals. Ferris Jabr, Smithsonian, "It’s Official: Fish Feel Pain," 8 Jan. 2018 Acute pain begins with nociceptors—long neurons that originate in the spinal cord and end as thin fibers in the skin. Erika Hayasaki, WIRED, "How a Single Gene Could Become a Volume Knob for Pain," 18 Apr. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'nociceptor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of nociceptor

1906, in the meaning defined above

History and Etymology for nociceptor

noci- (in nociceptive) + (re)ceptor

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Time Traveler for nociceptor

Time Traveler

The first known use of nociceptor was in 1906

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Cite this Entry

“Nociceptor.” Dictionary, Merriam-Webster, Accessed 8 May. 2021.

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no·​ci·​cep·​tor | \ -ˈsep-tər How to pronounce nociceptor (audio) \

Medical Definition of nociceptor

: a receptor for injurious or painful stimuli : a pain sense organ

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