receptor

noun

re·​cep·​tor ri-ˈsep-tər How to pronounce receptor (audio)
: receiver: such as
a
: a cell or group of cells that receives stimuli : sense organ
b
: a chemical group or molecule (such as a protein) on the cell surface or in the cell interior that has an affinity for a specific chemical group, molecule, or virus

Examples of receptor 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.
Apparently, cow udders are strong receptors for the highly contagious infection, which finds a home swimming in raw milk. Jim Martin, The Denver Post, 4 Feb. 2025 Unlike opioids, which work by latching onto receptor proteins on nerves in the central nervous system, suzetrigine works only in peripheral nerves—that is, those outside the brain and spinal cord. Ars Technica, 31 Jan. 2025 This trial, funded by the National Cancer Institute, uses chimeric antigen receptor (CAR) T cells that are injected directly into the dog's lymph nodes. Dan Perry, Newsweek, 31 Jan. 2025 The taste receptor cells in your mouth and the olfactory receptor cells in your nose may wrongly perceive foods as metallic, rancid, and bitter. Corey Whelan, Verywell Health, 30 Jan. 2025 See all Example Sentences for receptor 

Word History

First Known Use

1898, in the meaning defined above

Time Traveler
The first known use of receptor was in 1898

Dictionary Entries Near receptor

Cite this Entry

“Receptor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/receptor. Accessed 12 Feb. 2025.

Kids Definition

receptor

noun
re·​cep·​tor ri-ˈsep-tər How to pronounce receptor (audio)
1
: a cell or group of cells that receives stimuli : sense organ
2
: a molecule (as protein) on the surface or in the inside of a cell that recognizes and joins to specific molecules causing a certain activity within the cell to begin

Medical Definition

receptor

noun
re·​cep·​tor ri-ˈsep-tər How to pronounce receptor (audio)
1
: a cell or group of cells that receives stimuli : sense organ
2
: a chemical group or molecule (as a protein) on the cell surface or in the cell interior that has an affinity for a specific chemical group, molecule, or virus
3
: a cellular entity (as a beta-receptor or alpha-receptor) that is a postulated intermediary between a chemical agent (as a neurohormone) acting on nervous tissue and the physiological or pharmacological response

More from Merriam-Webster on receptor

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