plunger piston
noun
1A solid cylindrical piston used in a plunger pump.
2A solid piston used in a pressure gauge, etc., that is forced along its shaft by the pressure of the fluid behind it.
Origin
Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.
- press coverage
- press cutter
- press cutting
- press-cutting agency
- press day
- press digest
- press drill
- pressel
- presse-pâte
- presser
- presser bar
- presser foot
- press fastener
- press fit
- press-fitted
- press-forged
- press gallery
- press gang
- press handout
- press house
- pressie
- pressing
- pressing board
- pressingly
- pressingness