Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The process of driving or propelling.
  • noun A driving or propelling force.

from The Century Dictionary.

  • noun The act of propelling or driving forward; impulse given.
  • noun In pathology, same as paralysis festinans.

from the GNU version of the Collaborative International Dictionary of English.

  • noun The act driving forward or away; the act or process of propelling.
  • noun An impelling act or movement.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Force causing movement.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the act of propelling
  • noun a propelling force

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Medieval Latin prōpulsiō, prōpulsiōn-, onslaught, urging on, from Latin prōpulsus, past participle of prōpellere, to drive forward; see propel.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Medieval Latin propulsio ("term"), from Latin past participle of propello ("to drive forward, drive forth, drive away, drive out")

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