four-stroke

American  

[fawr-strohk, fohr-] / ˈfɔrˌstroʊk, ˈfoʊr- /

adjective

Machinery.

1. four-cycle.

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four-stroke British  

adjective

1. US and Canadian name: four-cycle.  relating to or designating an internal-combustion engine in which the piston makes four strokes for every explosion Compare two-stroke

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Etymology

Origin of four-stroke

First recorded in 1895–1900

Example Sentences

The MCA said the vessel was the first of its kind, powered by a four-stroke engine, two of which are capable of being fuelled by ammonia and diesel.

From BBC • Mar. 2, 2025

In 1973, Tommy Aaron won his only major championship at the rain-delayed Masters, posting a 68 on Monday to overcome a four-stroke deficit in the final round.

From Washington Post • Apr. 5, 2023

Last year at Omaha Country Club, he struggled early in the final round with a bogey and double bogey on the second and third holes, losing most of his four-stroke lead.

From Seattle Times • Jun. 22, 2022

She stumbled a bit with bogeys on the fifth and seventh holes, but she was still able to make the turn at even-par 35 and with a four-stroke cushion when Harigae also bogeyed the seventh.

From New York Times • Jun. 5, 2022

The Hotel-Dieu dining room is big and somber and full of people talking about U-boats off Gibraltar and the inequities of currency exchange and four-stroke marine diesel engines.

From "All the Light We Cannot See" by Anthony Doerr