propulsion

Definitions

pro- (forward) + puls (the noun form of pel, push) + -ion (the act of). Propulsion is the noun for the forward push that propel describes — the force and machinery that move a craft ahead, as in jet propulsion or rocket propulsion.

Common Collocations

• 1.jet propulsion喷气推进
• 2.propulsion system推进系统
• 3.nuclear propulsion核动力推进
• 4.rocket propulsion火箭推进

Example Sentences

• 1.

  The team is developing a new propulsion system for satellites.

• 2.

  Jet propulsion made high-speed flight possible.

• 3.

  Scientists are testing ion propulsion for deep-space missions.