Wiktionary
double-action
n. (attributive of double action English)
Usage examples of "double-action".
She double-actioned the slab-side barreled revolver, the wheelgun bucking in her right hand, the face of the Brigand biker seeming to erupt at the bridge of the nose and between the eyes.
Almost invariably, under such circumstances, a person uses the double-action mechanism and in so doing it would be impossible for the gun to have been fully cocked after the first shot had been fired.