ALL meanings of single-acting
sin·gle-act·ing
S s - adjective single-acting (of a reciprocating engine, pump, etc.) having pistons accomplishing work only in one direction. Compare double-acting (def 1). 1
- adjective single-acting (of a reciprocating engine or pump) having a piston or pistons that are pressurized on one side only 0
- adjective single-acting acting in or impelled from one direction only, as an engine; not reciprocating 0