Word Explorer

Piston

/ˈpɪstən/

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)

Full Dictionary Entry

📖 Definitions of "Piston"

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

1
To move up and down like a piston.

🔄 Synonyms of "Piston"

1 synonyms found via WordNet and Google Books.

Word	Definition
plungernoun	A device that is used to remove blockages from the drain of a basin or tub, by suction.

💡 Words with a Similar Meaning to "Piston"

Found via reverse dictionary — words that share a conceptual meaning.

Word	Definition
plungernoun	A device that is used to remove blockages from the drain of a basin or tub, by suction.
enginenoun	The part of a car or other vehicle which provides the force for motion, now especially one powered by internal combustion.
shootnoun	The emerging stem and embryonic leaves of a new plant.
calipersnoun	A device used to measure dimensions, especially for small or precise measurements.
reciprocating	That moves back and forth or up and down.
cylindernoun	Any object in the form of a circular cylinder.
ramnoun	(zoology, agriculture) A male sheep, typically uncastrated.
paranoun	(medicine) A woman who has given birth or brought pregnancies to viable gestational age a certain number of times, indicated by the number prepended to this word.
actuatornoun	A usually electric device that causes a mechanical device (i.e., a mechanism) to be switched on or off. For example; an electric motor that opens and closes a valve.
slidernoun	Agent noun of slide: that which slides.
tappetnoun	A lever or projection which is moved by some other piece, as a cam, or intended to tap or touch something else, in order to produce change or regulate motion.
pushrodnoun	(automotive) A rod in a piston engine that actuates rocker arms above the cylinder head.
strikernoun	A person who is on strike, someone who has stopped working as a protest.
reciprocatornoun	Something, especially part of a mechanism, that reciprocates.
pump rod	—
piston rodnoun	A rod or bar in an engine that connects a piston to a crosshead.
drivernoun	A person who drives a motorized vehicle such as a car, truck, bus, train, forklift, etc.
piston enginenoun	Any of several types of engine having cylinders containing reciprocating pistons, in which a crankshaft is turned by pistons moving up and down within cylinders; many internal combustion engines and many steam engines have such a mechanism.
piston valvenoun	A valve which uses a hollow or double piston sliding in a cylinder to direct fluid along one of two paths
force pumpnoun	A kind of pump in which the upstroke of the piston draws liquid, through an inlet valve, into the cylinder. On the downstroke, the liquid is discharged, through an outlet valve, into the outlet pipe.