Definitions

from The Century Dictionary.

  • noun The solid piston of a plunger-pump: used to distinguish this class of pump-piston from those which contain a valve.
  • noun A pump-piston of which the part that operates in the pump-barrel also extends out through the stuffing-box, and is either itself the piston-rod or plunger-rod, or is connected with a piston-rod or plunger-rod exteriorly to the stuffing-box.

Etymologies

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Examples

  • This pump is based on parts of the 50 ton jack made by NIKE and a specially made pump-cylinder and pump-plunger.

    5. Selected Equipment 1989

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