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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

Because their rivals believe they have found a way of exploiting the rule restricting the compression ratio - a measurement of the cylinder displacement between the two extremes of the piston stroke - to 16:1.

From BBC • Feb. 20, 2026

The piston faces have small, crescent-shaped reliefs into which the valves extend near the top dead center.

From The Wall Street Journal • Jan. 23, 2026

Flowing spaces open with double-height spaces, subtle level changes and large openings like skylights, clerestory windows, balconies, and even a spot where an entire section of roof pivots open thanks to a large piston.

From Los Angeles Times • Sep. 8, 2025

First, though the idea of using a cylinder and piston went back to Guericke, there was no recent experience of combining this with steam in England.

From "The Invention of Science" by David Wootton




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