rapid eye movement

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noun
  1. rapidly shifting, continuous movements of the eyes beneath closed lids during the stage of sleep characterized by dreaming.

Origin of rapid eye movement

1
First recorded in 1915–20
  • Also called REM [rem] /rɛm/ .

Words Nearby rapid eye movement

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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British Dictionary definitions for rapid eye movement

rapid eye movement

noun
  1. movement of the eyeballs under closed eyelids during paradoxical sleep, which occurs while the sleeper is dreaming: Abbreviation: REM

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