Dictionary

impaction

noun im·pac·tion \im-ˈpak-shən\

Definition of IMPACTION

:  the act of becoming or the state of being impacted; especially :  lodgment of something (as feces) in a body passage or cavity

First Known Use of IMPACTION

1739

impaction

noun im·pac·tion \im-ˈpak-shən\   (Medical Dictionary)

Medical Definition of IMPACTION

:  the act of becoming or the state of being impacted; specifically :  lodgment or an instance of lodgment of something (as a tooth or feces) in a body passage or cavity

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March 30, 2015
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