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.

However, during engine operation, moving parts such as pistons require constant lubrication, making it unavoidable that small amounts of engine oil enter the combustion chamber.

From Science Daily • May 13, 2026

If the timing chain slips or breaks—which is inevitable given enough time—the pistons will hit the valves.

From The Wall Street Journal • Jan. 23, 2026

The technology uses the bobbing floaters to compress pistons, which push hydraulic fluid into storage tanks located nearby on land.

From Los Angeles Times • Sep. 10, 2025

If the workings of his engine were carefully concealed, you could see the pistons pumping and sparks flying when Nadal took to court.

From BBC • Oct. 10, 2024

Below that, pistons and large cylinders engaged in a relentless dance with the ten wheels, two sets of small ones in front and three behind.

From "The Underground Railroad: A Novel" by Colson Whitehead