single-acting

[ sing-guhl-ak-ting ]

adjective

1. (of a reciprocating engine, pump, etc.) having pistons accomplishing work only in one direction. Compare double-acting ( def 1 ).

single-acting

adjective

1. See double-acting
   (of a reciprocating engine or pump) having a piston or pistons that are pressurized on one side only Compare double-acting

Word History and Origins

Origin of single-acting¹

First recorded in 1815–25

Example Sentences

The surface-condenser is cleared by a single-acting air-pump, inside the frame, at T.

From Project Gutenberg

As single-acting pumps give an intermittent discharge three are generally used on cranks at 120.

From Project Gutenberg

The engine is made with either one or two cylinders, and is, of course, single-acting.

From Project Gutenberg

This is particularly true of the single-acting engines so widely used for horse-powers less than 100 to 150.

From Project Gutenberg

In large, single-acting gas-engines, a considerable displacement of air is thus produced.

From Project Gutenberg