Piston Meaning in English
word
Definition
A piston is a solid part inside an engine or pump that moves up and down or back and forth, helping to create motion or pressure.
Usage & Nuances
"Piston" is a technical term used in engineering, mechanics, and especially automotive contexts. It almost always refers to engines or pumps. Not to be confused with 'cylinder' (the space the piston moves in). Common phrase: 'piston ring' (the sealing component around the piston).
Example Sentences
The piston moves up and down inside the engine.
basic
A broken piston can stop a car from working.
basic
Each piston helps to produce power in the engine.
basic
The mechanic said the car needs a new piston to run smoothly.
natural
Changing the piston rings can fix some engine problems.
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After years of use, the pistons in the old truck engine were worn out.
natural