-
- To save this word, you'll need to log in.
rapid eye movement
noun
: a rapid conjugate movement of the eyes associated especially with REM sleep
Examples of rapid eye movement in a Sentence
Recent Examples on the Web
Now new findings specifically show that people who take longer to enter the dream phase of sleep — known as REM (rapid eye movement) — could be experiencing an early symptom of Alzheimer’s disease.
—
Tom Gavin, EverydayHealth.com, 4 Feb. 2025
The device detected when the participants entered rapid eye movement (REM) sleep (so named because the eyes dart from side to side during this phase), when people experience their most vivid dreams.
—
Ingrid Wickelgren, Scientific American, 1 Mar. 2024
Association of rapid eye movement sleep latency with multimodal biomarkers of Alzheimer's disease.
—
Barbara A. Perry, Newsweek, 27 Jan. 2025
Association of rapid eye movement sleep latency with multimodal biomarkers of Alzheimer's disease
Before joining Discover Magazine, Paul Smaglik spent over 20 years as a science journalist, specializing in U.S. life science policy and global scientific career issues.
—
Paul Smaglik, Discover Magazine, 27 Jan. 2025
See all Example Sentences for rapid eye movement 
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Word History
First Known Use
1900, in the meaning defined above
Time Traveler
The first known use of rapid eye movement was
in 1900
Dictionary Entries Near rapid eye movement
Cite this Entry
“Rapid eye movement.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rapid%20eye%20movement. Accessed 21 Feb. 2025.
Kids Definition
rapid eye movement
noun
: rapid movement of the eyes which occurs during the dreaming period of sleep
Medical Definition
rapid eye movement
noun
rap·id eye movement
ˈrap-əd-
: a rapid conjugate movement of the eyes associated especially with REM sleep
called also REM
More from Merriam-Webster on rapid eye movement
Love words? Need even more definitions?
Merriam-Webster unabridged
Share