piston

Meaning

Noun

1. A solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)
2. A valve device in some brass instruments for changing the pitch

Verb

To move up and down or in and out like a piston.

Synonyms

plunger

🪠

sucker

ram

🐏

male plug

male die

positive die

patrix

male mould

force plug

force piston

positive mould

mould plunger

male building form

male force

backlash

male section

plug

rammer

Pronounced as (IPA)

/ˈpɪstən/

Etymology

From French piston.

Sentences

His third stream of philosophy was based around piston valves .