impacter

or im·pac·tor

[ im-pak-ter ]

noun

1. a person or thing that impacts.
2. impact wrench.

Word History and Origins

Origin of impacter¹

First recorded in 1915–20; impact + -er ¹

Example Sentences

That means it had to be slow—and the slowest-moving impacter would be one in the same orbit as the moon.

From Science Magazine

If so, the "impacter" had to build up the far side into mountainous terrain rather than blast out a crater.

From Science Magazine