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
"And then we administered the cola three times a day, over a four-day period to break down the impaction."
From BBC ● Feb. 2, 2024
A doctor can diagnose fecal impaction with a digital rectal exam and X-rays.
From Washington Post ● Jan. 23, 2023
"It gets pinched, very much like Styrofoam, and that’s the impaction injury that she has," he said.
From Fox News ● Dec. 7, 2021
When thus stored it should be in large mows, and it should be well tramped, otherwise the impaction may not be sufficient.
From Clovers and How to Grow Them by Thomas Shaw
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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.
