pulsation

American  

[puhl-sey-shuhn] / pʌlˈseɪ ʃən /

noun

1. the act of pulsating; beating or throbbing.

2. a beat or throb, as of the pulse.

3. vibration or undulation.

4. a single vibration.

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Other Word Forms

• nonpulsation noun

Etymology

Origin of pulsation

1375–1425; late Middle English pulsacioun < Latin pulsātiōn- (stem of pulsātiō ). See pulsate, -ion

Example Sentences

"Giant convective bubbles, stellar pulsations, or dramatic episodes of dust formation could all help explain how these winds are launched."

From Science Daily

Scientists identified two major cycles in Betelgeuse's variability: a shorter 400-day period linked to pulsations inside the star, and a much longer cycle lasting about 2,100 days.

From Science Daily

Then, coherent X-ray pulsation accompanied by the rotation of a neutron star can be detected.

From Science Daily

Scientists have long recognized that stiffness and excessive pulsation in large arteries are linked to stroke, dementia, and small vessel disease.

From Science Daily

Even in this much more complex environment, where the pulsations of blood vessels and the movement of breathing provide additional confounds, the mosTF scope still achieved a four-fold better signal-to-background ratio.

From Science Daily