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propulsion

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Robert B. Northrop
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pro⋅pul⋅sion

  [pruh-puhl-shuhn]
Use propulsion in a Sentence
–noun
1. the act or process of propelling.
2. the state of being propelled.
3. a means of propelling; propelling force, impulse, etc.
Origin:
1605–15; < L prōpuls(us) (ptp. of prōpellere to propel ) + -ion

Related forms:
pro⋅pul⋅sive  [pruh-puhl-siv] , pro⋅pul⋅so⋅ry, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Robert B. Northrop
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pro·pul·sion   (prə-pŭl'shən)   
n.  

  1. The process of driving or propelling.

  2. A driving or propelling force.


[Medieval Latin prōpulsiō, prōpulsiōn-, onslaught, urging on, from Latin prōpulsus, past participle of prōpellere, to drive forward; see propel.]
pro·pul'sive, pro·pul'so·ry (-sə-rē) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Medical Dictionary

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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