Definition of nociceptor in English:

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Pronunciation: /ˈnəʊsɪˌsɛptə/


A sensory receptor for painful stimuli: the heat from eating chillies produces ‘nociceptor firing’
More example sentences
  • Fish, like humans, have nociceptors which detect painful stimuli that respond to chemicals, heat and pressure.
  • When nociceptors detect a harmful stimulus - such as the hard surface that stubbed your toe - they relay their pain messages in the form of electrical impulses along a peripheral nerve to your spinal cord and brain.
  • The transduction of noxious stimuli begins with peripheral nociceptors.


Early 20th century: from Latin nocere 'to harm' + receptor.

For editors and proofreaders

Line breaks: noci|cep¦tor

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