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proprietary colony
proprietary name
proprietor
proprietors’ income
propriety
proprioceptor
props master
proptosis
propulsion
propyl
propyl alcohol
propylaeum
propylene
propylene glycol
propylene oxide
propylon
prorate
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propulsion

pro·pul·sion [ prə púlsh'n ] (plural pro·pul·sions)


noun 
Definition:
 
1. act of driving something forward: the process by which an object such as an automobile, ship, aircraft, or missile is moved forward

2. driving force: the force by which an object such as an automobile, ship, aircraft, or missile is moved forward

[Early 17th century. < obsolete propulse "drive away" < Latin propulsare< propuls-, past participle of propellere (see propel)]

pro·pul·sive [ prə púlsiv ] adjective
pro·pul·so·ry [ prə púlsəree ] adjective
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