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propulsion

pro·pul·sion

propulsion

pronunciation:
pr puhl shn
features:
Word Explorer
part of speech: noun
definition 1: the act or process of propelling, or the condition of being propelled.
similar words:
thrust
definition 2: that which provides the propelling force.
similar words:
dynamic
derivations: propulsive (adj.), propulsory (adj.)
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See
  airplane