noun · academic
propulsion
/prəˈpʌl.ʃən/pro·PUL·sion
the action or process of driving or pushing forwards; the system that moves a vehicle
Examples
“Advances in electric propulsion have transformed urban transport planning.”
“Jet propulsion relies on expelling high-speed exhaust gases.”
“Hydrogen fuel cells offer a clean alternative for vehicle propulsion.”
Band 8 sentence
“Shifting to electric propulsion could dramatically reduce urban noise and air pollution.”
Collocations
- electric propulsion
- propulsion system
Word family
Common mistakes
The new buses use electricity propulsion.→The new buses use electric propulsion.
Several propulsions are being tested on the prototype.→Several propulsion systems are being tested on the prototype.
Say it for a higher band
5engine→6motor→7+propulsion
Synonyms
drive
Easily confused
propel
“The strong current propels the boat downstream.”
Related words
Learn this word with the rest of its set, and get reminded at the right time.
In Transport & Traffic
Learn it with its set