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impaction

[ im-pak-shuhn ]
/ ɪmˈpæk ʃən /
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noun
an act or instance of impacting.
the state of being impacted; close fixation.
Dentistry. the condition in which a tooth is impacted.
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Origin of impaction

1730–40; <Late Latin impāctiōn- (stem of impāctiō), equivalent to Latin impāct(us), past participle of impingere (see impacted) + -iōn--ion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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