impetus
(noun)
noun
1. a force that moves something along
Similar word(s): drift, impulsion
Definition categories: phenomenon, force
2. the act of applying force suddenly
- the impulse knocked him over
Similar word(s): impulse, impulsion
Definition categories: act, drive, thrust
Sentences with impetus as a noun:
- The outbreak of World War II in 1939 gave a new impetus to receiver development.