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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. (of a reciprocating engine or pump) having a piston or pistons that are pressurized on one side only Compare double-acting
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of single-acting1

First recorded in 1815–25
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Example Sentences

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

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

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

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

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

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