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propulsion

[pruh-puhl-shuh n] /prəˈpʌl ʃən/
noun
1.
the act or process of propelling.
2.
the state of being propelled.
3.
a means of propelling; propelling force, impulse, etc.
Origin of propulsion
Latin
1605-1615
1605-15; < Latin prōpuls(us) (past participle of prōpellere to propel) + -ion
Related forms
propulsive
[pruh-puhl-siv] /prəˈpʌl sɪv/ (Show IPA), propulsory, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for propulsory

propulsion

/prəˈpʌlʃən/
noun
1.
the act of propelling or the state of being propelled
2.
a propelling force
Derived Forms
propulsive (prəˈpʌlsɪv), 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
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Word Origin and History for propulsory

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.

Online Etymology Dictionary, © 2010 Douglas Harper
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propulsory in Medicine

propulsion pro·pul·sion (prə-pŭl'shən)
n.

  1. A driving or propelling force.

  2. The leaning or falling forward characteristic of the festination of parkinsonism.

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