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pulsation
noun
pul·sa·tion
ˌpəl-ˈsā-shən
1
: rhythmical throbbing or vibrating (as of an artery)
also
: a single beat or throb
2
: a periodically recurring alternate increase and decrease of a quantity (such as pressure, volume, or voltage)
Examples of pulsation in a Sentence
you should press against the artery in your wrist and count the pulsations to calculate your heart rate
Recent Examples on the Web
The silicone bristles are extremely pliable, and it’s recommended to gently use circular motions as the 8,000 pulsations per minute penetrate the skin.
—Alanna Martine Kilkeary, Glamour, 11 Oct. 2024
Most watches only feature one pulsation scale, but this supposedly unique 5970 features two, one for 15 beats and another for 30.
—Thomas Wojtowicz, Forbes, 3 Sep. 2024
Photograph: Courtesy of the Caltech Archives and Special Collections
Measurements of H0 improved as astronomers got better at calibrating the relationship between Cepheids’ pulsation frequency and their luminosity.
—Liz Kruesi, WIRED, 8 Sep. 2024
How to use: After wetting your face, apply cleanser directly to the tool and turn it on to activate the sonic pulsations.
—Jenny Berg, Vogue, 8 Sep. 2024
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Word History
Etymology
Middle English pulsacioun, borrowed from Medieval Latin pulsātiōn-, pulsātiō, going back to Latin, "repeated striking, knocking (on a door)," from pulsāre "to strike with repeated blows, beat, (in passive) beat wildly (of the heart)" + -tiōn-, -tiō, suffix of verbal action — more at pulsate
First Known Use
15th century, in the meaning defined at sense 1
Time Traveler
The first known use of pulsation was
in the 15th century
Dictionary Entries Near pulsation
Cite this Entry
“Pulsation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pulsation. Accessed 28 Nov. 2024.
Kids Definition
pulsation
noun
pul·sa·tion
ˌpəl-ˈsā-shən
: a rhythmic vibrating or expanding and contracting movement or action (as of an artery)
also
: a single throb of such movement
Medical Definition
pulsation
noun
pul·sa·tion
ˌpəl-ˈsā-shən
1
: rhythmic throbbing or vibrating (as of an artery)
also
: a single beat or throb
2
: a periodically recurring alternate increase and decrease of a quantity (as pressure, volume, or voltage)
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