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
Words nearby double-acting
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