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propulsion

[pruh-puhl-shuh n]
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noun
  1. the act or process of propelling.
  2. the state of being propelled.
  3. a means of propelling; propelling force, impulse, etc.
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Origin of propulsion

1605–15; < Latin prōpuls(us) (past participle of prōpellere to propel) + -ion
Related formspro·pul·sive [pruh-puhl-siv] /prəˈpʌl sɪv/, pro·pul·so·ry, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for propulsion

propulsion

noun
  1. the act of propelling or the state of being propelled
  2. a propelling force
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Derived Formspropulsive (prəˈpʌlsɪv) or propulsory, adjective

Word Origin

C15: from Latin prōpellere to propel
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 propulsion

n.

1610s, "expulsion," noun of action formed from propuls-, past participle stem of Latin propellere "to propel" (see propel). Meaning "act of driving forward, propulsive force" first attested 1799.

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Online Etymology Dictionary, © 2010 Douglas Harper

propulsion in Medicine

propulsion

(prə-pŭlshən)
n.
  1. A driving or propelling force.
  2. The leaning or falling forward characteristic of the festination of Parkinsonism.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.