receptor

noun
re·​cep·​tor | \ri-ˈsep-tər \

Definition of receptor 

: 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

Image The research indicates that carb rinsing can enhance performance when fluids are swished around the mouth for five to 10 seconds, the longer the better as more oral receptors come into contact with carbohydrates. New York Times, "That Spitting Thing at the World Cup? It’s Probably ‘Carb Rinsing’," 11 July 2018 These nerves contain transient receptor potential (TRP) channels that are sensitive to itch (Neuron, May 2, 2018). Houston Chronicle, "Vicks VapoRub for poison ivy itch," 8 July 2018 But the fruit bat's NK receptor genes appear to activate and inhibit NK cell function. Lucy Cooke, ajc, "US military is interested in bats as possible defenders against bioweapons," 3 July 2018 But the fruit bat’s NK receptor genes appear to activate and inhibit NK cell function. Lucy Cooke, Washington Post, "The batty, explosive history of bats in the military — and why this new idea just might work," 2 July 2018 Two new therapies approved in 2017 are called chimeric antigen receptor T-cell therapies (CAR-T) and involve removing a patient’s immune cells to genetically re-engineer them. NBC News, "Cancer drug spending doubles in 5 years," 24 May 2018 Both of these compounds stimulate the same receptor in the brain, called CB1, but have differing effects on the brain. Dan Nosowitz, Vox, "The super-popular cannabis compound, explained.," 1 Nov. 2018 And today’s study takes the first steps toward answering it: the team tested the compounds on cells sporting irritant receptors known to be triggered by things like cigarette smoke and chili peppers. Rachel Becker, The Verge, "Vape flavors can make nasty new chemicals in your e-liquid," 18 Oct. 2018 Notaro may be referring to a form of hormone receptor-positive breast cancer, in which cancer cells may receive signals from the hormones estrogen or progesterone that could promote their growth, per the American Cancer Society (ACS). Korin Miller, SELF, "Comedian Tig Notaro Worries That IVF After Breast Cancer Was a Risky Choice," 3 Aug. 2018

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

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First Known Use of receptor

1898, in the meaning defined above

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Statistics for receptor

Last Updated

5 Dec 2018

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Time Traveler for receptor

The first known use of receptor was in 1898

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More Definitions for receptor

receptor

noun

English Language Learners Definition of receptor

biology : a nerve ending that senses changes in light, temperature, pressure, etc., and causes the body to react in a particular way

receptor

noun
re·​cep·​tor | \ri-ˈsep-tər \

Kids Definition of receptor

: a cell that receives a stimulus (as light or heat) and activates an associated nerve to send a message to the brain and that may be grouped into a sense organ (as a taste bud)

receptor

noun
re·​cep·​tor | \ri-ˈsep-tər \

Medical Definition of receptor 

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

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More from Merriam-Webster on receptor

Spanish Central: Translation of receptor

Nglish: Translation of receptor for Spanish Speakers

Britannica English: Translation of receptor for Arabic Speakers

Britannica.com: Encyclopedia article about receptor

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