impaction

[ im-pak-shuhn ]
/ ɪmˈpæk ʃən /

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. 2020

Example sentences from the Web for impaction

Medical definitions for impaction

impaction
[ ĭm-păkshən ]

n.

The process or condition of being impacted.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.