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impacter

American  
[im-pak-ter] / ɪmˈpæk tər /
Or impactor

noun

  1. a person or thing that impacts.

  2. impact wrench.

Etymology

Origin of impacter

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.