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impactor

 - 2 dictionary results

im⋅pact⋅er

[im-pak-ter]
–noun
1. a person or thing that impacts.
2. impact wrench.
Also, im⋅pac⋅tor.


Origin:
1915–20; impact + -er 1

impact wrench

–noun
an electric or pneumatic power wrench with interchangeable toolhead attachments, used for installing and removing nuts, bolts, and screws.
Also called impacter, impactor.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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