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[pal-pi-tey-shuh n] /ˌpæl pɪˈteɪ ʃən/
the act of palpitating.
an unusually or abnormally rapid or violent beating of the heart.
Origin of palpitation
1595-1605; < Latin palpitātiōn- (stem of palpitātiō) a throbbing. See palpitate, -ion Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for palpitation
  • See, in any house where virtue and self-respect abide, the palpitation which the approach of a stranger causes.
Word Origin and History for palpitation

early 15c., from Middle French palpitation, from Latin palpitationem (nominative palpitatio), noun of action from past participle stem of palpitare "to throb, to flutter, to tremble, to quiver," frequentative of palpare "touch gently, stroke; wheedle, coax" (see feel (v.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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palpitation in Medicine

palpitation pal·pi·ta·tion (pāl'pĭ-tā'shən)
Perceptible forcible pulsation of the heart, usually with an increase in frequency or force, with or without irregularity in rhythm.

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