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 Typical antipsychotics primarily block dopamine receptors in the brain and are associated with a higher risk of movement disorders like tardive dyskinesia. T'keyah Bazin, Pharmd, Verywell Health, 13 Aug. 2024 The medications work by binding to the brain’s opioid receptors to block cravings and withdrawal symptoms without causing a high in a person with an opioid use disorder. Kim Krisberg, NPR, 16 Sep. 2024 The analog even bound more strongly to nicotine receptors than nicotine itself and was more toxic to airway cells. Bradley Van Paridon, Scientific American, 10 Sep. 2024 Most adults and children 12 and older have access to highly effective new medicines called GLP-1 receptor agonists, but younger children must rely on lifestyle changes like diet, exercise and counseling alone to lose weight. Jen Christensen, CNN, 10 Sep. 2024 See all Example Sentences for receptor 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'receptor.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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 2 Oct. 2024.

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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