Medical Dictionary

action

noun ac·tion \ˈak-shən\

Medical Definition of ACTION

1
:  the process of exerting a force or bringing about an effect that results from the inherent capacity of an agent <protein synthesis is an expression of gene action> <insecticidal action>
2
:  a function or the performance of a function of the body (as defecation) or of one of its parts <the normal baby has three or four actions of the bowel in 24 hours—Morris Fishbein> <heart action>
3
:  an act of will
4
actions pl :  behavior <aggressive actions>

Browse

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears