receptor

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noun re·cep·tor \ri-ˈsep-tər\

Definition of receptor

  1. :  receiver: such asa :  a cell or group of cells that receives stimuli :  sense organb :  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

Recent Examples of receptor from the Web

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.

First Known Use of receptor

1898


RECEPTOR Defined for English Language Learners

receptor

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noun

Definition of receptor for English Language Learners

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


RECEPTOR Defined for Kids

receptor

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noun re·cep·tor \ri-ˈsep-tər\

Definition of receptor for Students

  1. :  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)


Medical Dictionary

receptor

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noun re·cep·tor \ri-ˈsep-tər\

Medical Definition of receptor

  1. 1:  a cell or group of cells that receives stimuli :  sense organ

  2. 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. 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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