• synonyms


[pruh-puhl-shuh n]
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  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

Related Words for propulsion

tension, stress, strength, power, speed, energy, thrust, drive, punch, pressure, impulse, push, velocity, muscle, effort, steam, momentum, horsepower

Examples from the Web for propulsion

Contemporary Examples of propulsion

Historical Examples of propulsion

British Dictionary definitions for propulsion


  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 for propulsion

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


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


  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.