(metallurgy) an electrochemical action that generates electrical current between two metals of dissimilar electrode potential.

(chiefly US and Canada) A workplace protest by employees designed to inconvenience or disrupt the business of the employer, especially one which is limited in duration or severity.

Filmed video, as opposed to video produced by animation or by computer graphics; often used attributively.

plural of action item

(literature, drama) The events of a drama after the climax (or crisis) but before the denouement (or resolution).

(military, Britain, Canada) The positions or activity assumed by the crew of a warship immediately in advance of combat or other hostile action; general quarters; also, the signal given to indicate such imminent action.

a type of firearm action which uses a lever located around the trigger guard area, to load fresh cartridges into the chamber when the lever is worked.

a type of firearm action that uses a sliding handgrip to cycle the mechanism.

Action démocratique du Québec

plural of action man