Longman Dictionary of Contemporary English homepage

Date: 1600-1700
Language: Latin
Origin: propulsus, past participle of propellere; PROPEL

propulsion

 noun
     
Related topics: Physics, Mechanical, Transport
pro‧pul‧sion [uncountable] technical
TEMTT the force that drives a vehicle forward [↪ propel]
research into liquid hydrogen as a means of propulsion
—propulsive adjective
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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