Impetus

noun

/ˈɪm.pə.təs/

Word Frequency: 4.2

Definitions

1.nounSomething that impels; a stimulating factor.

"The outbreak of World War II in 1939 gave a new impetus to receiver development."

2.nounA force, either internal or external, that impels; an impulse.

3.nounThe force or energy associated with a moving body; a stimulus.

4.nounAn activity in response to a stimulus.

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