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Definitions

piston

[pis-tuhn] / ˈpɪs tən /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The temperature contrast drives a piston, which in turn produces mechanical energy.

From Science Daily • Feb. 27, 2026

The compression ratio is a measurement of the cylinder displacement between the two extremes of the piston stroke.

From BBC • Feb. 18, 2026

Many municipalities across the country have banned two-stroke leaf blowers—so named because a piston in a leaf blower engine makes two movements instead of four, as in a car.

From The Wall Street Journal • Oct. 16, 2025

Mexican components often constitute 40% of U.S.-made vehicles, said Ebrard, who cited the example of an auto piston that might cross the border seven times.

From Los Angeles Times • Mar. 27, 2025

At the centre top there is a representation of Papin’s piston powered by the pressure of the atmosphere: once the steam has condensed, removal of the pin labelled E causes the piston to descend.

From "The Invention of Science" by David Wootton




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