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

From BBC • Feb. 18, 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

Young explains that they have fewer moving parts than traditional piston engines, making them easier to maintain, yet deliver surprising power for their relatively compact, lightweight size.

From Los Angeles Times • Apr. 29, 2025

These illuminate, curing the resin that remains in the minuscule gap between the piston and the LEDs.

From Science Daily • Jan. 4, 2024

On the other hand, Newcomen, unlike Savery, had to construct a moving piston, with all the difficulties of potential friction and leaking that entailed.

From "The Invention of Science" by David Wootton




Vocabulary lists containing piston