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impaction

[im-pak-shuh n] /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.
Origin
1730-1740
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 Dictionary, © Random House, Inc. 2014.
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Examples from the web for impaction
  • Practice proper bowel care to avoid stool impaction.
Word Origin and History for impaction
n.

1739, from Latin impactionem (nominative impactio) "a striking against," noun of action from past participle stem of impingere (see impinge).

Online Etymology Dictionary, © 2010 Douglas Harper
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impaction in Medicine

impaction im·pac·tion (ĭm-pāk'shən)
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.
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