[ puhl-sey-shuh n ]
/ pʌlˈseɪ ʃən /


the act of pulsating; beating or throbbing.
a beat or throb, as of the pulse.
vibration or undulation.
a single vibration.

Nearby words

  1. pulsate,
  2. pulsatile,
  3. pulsatility,
  4. pulsatilla,
  5. pulsating star,
  6. pulsative,
  7. pulsatively,
  8. pulsator,
  9. pulsatory,
  10. pulse

Origin of pulsation

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

Related formsnon·pul·sa·tion, noun

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for pulsation

British Dictionary definitions for pulsation


/ (pʌlˈseɪʃən) /


the act of pulsating
physiol a rhythmic beating or pulsing esp of the heart or an artery
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for pulsation



early 15c., from Middle French pulsation (14c.) and directly from Latin pulsationem (nominative pulsatio) "a beating or striking," noun of action from past participle stem of pulsare "to beat, strike, push against' hammer, keep hitting," figuratively "drive forth, disturb, disquiet," frequentative of pellere (past participle pulsus) "to beat, strike" (see pulse (n.1)).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for pulsation


[ pŭl-sāshən ]


The act of pulsating.
A single beat, throb, or vibration.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.