double-acting

[ duhb-uh l-ak-ting ]
/ ˈdʌb əlˈæk tɪŋ /

adjective

(of a reciprocating engine, pump, etc.) having pistons accomplishing work in both directions, fluid being admitted alternately to opposite ends of the cylinders. Compare single-acting.
(of a hinge of a door or the like) permitting movement in either direction from the normal, or closed, position.
having twice the usual effectiveness, strength, use, etc.

Origin of double-acting

First recorded in 1835–45

Example sentences from the Web for double-acting

British Dictionary definitions for double-acting

double-acting

adjective

(of a reciprocating engine or pump) having a piston or pistons that are pressurized alternately on opposite sides Compare single-acting
(of a hinge, door, etc) having complementary actions in opposed directions