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
Joey from The Donkey Sanctuary in Sidmouth, Devon, had a condition known as gastric impaction.
From BBC ● Feb. 2, 2024
Fecal impaction can also lead to diarrhea, because of watery stool from higher up in the gastrointestinal tract passing around stuck stool, Rao says.
From Washington Post ● Jan. 23, 2023
"You hate to see an athlete injured in any way, but at the same time, an ACL versus an impaction injury to the tibial plateau, this is the much better injury."
From Fox News ● Dec. 7, 2021
When the shortening and eversion are excessive, they should be completely corrected under anæsthesia before the retentive apparatus is applied, any impaction that exists being undone.
From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Alexander Miles
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
