Etymology
Origin of impaction
1730–40; < Late Latin impāctiōn- (stem of impāctiō ), equivalent to Latin impāct ( us ), past participle of impingere ( see impacted) + -iōn- -ion
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Many people no longer have space for their third molars – leading to impaction, crowding and often requiring surgical removal.
From Science Daily ● Jul. 11, 2026
If your constipation is unresolved for too long, it can lead to fecal impaction, where a lump of dry, hard stool becomes stuck in the rectum.
From Washington Post ● Jan. 23, 2023
His injuries were consistent with a difficult delivery by the impaction of the skull and the pelvis requiring manual manipulation of the head, Dr Bamber said.
From BBC ● Oct. 13, 2022
"It gets pinched, very much like Styrofoam, and that’s the impaction injury that she has," he said.
From Fox News ● Dec. 7, 2021
If this apparatus is not available, other measures must be adopted varying with the nature of the body, its site, and the manner of its impaction.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander
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.
