(grammar) A word that indicates an action, event or state.

(computing) A feature of certain computer keyboards where a pressed key remains depressed and actuated until it is pressed again.

(physics, quantum mechanics) The effect of a detector on the measurement being recorded.

plural of piece of the action

A cinema that shows mainstream action films.

plural of action house

plural of action film

plural of action word

plural of action song

plural of action painting