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impaction

American  
[im-pak-shuhn] / ɪmˈpæk ʃən /

noun

  1. an act or instance of impacting.

  2. the state of being impacted; close fixation.

  3. Dentistry. the condition in which a tooth is impacted.


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.

See Examples For:

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

The large intestine is capable of great distention, as is frequently demonstrated in fecal impaction described in previous chapters.

From Intestinal Ills Chronic Constipation, Indigestion, Autogenetic Poisons, Diarrhea, Piles, Etc. Also Auto-Infection, Auto-Intoxication, Anemia, Emaciation, Etc. Due to Proctitis and Colitis by Jamison, Alcinous B. (Alcinous Burton)

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