English Lexicon

Receptor

/rɪˈsɛptər/
nounCEFR B2 (Upper)Top #1500 frequency
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Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A protein molecule that receives and responds to signals from outside a cell.

    "The receptor on the cell surface binds to the hormone, triggering a response."
  2. 2

    A device or apparatus that receives signals, such as radio waves.

    "The radio's receptor picked up the broadcast clearly."

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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

The term 'receptor' originates from the Latin word 'receptorem', meaning 'one who receives'. It evolved through the Middle Ages into the modern scientific context, where it refers to a structure that receives signals or stimuli.

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