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four-stroke

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

adjective

Machinery.
  1. four-cycle.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of four-stroke

First recorded in 1895–1900

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.

See Examples For:

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

In the morning, I remembered that Vern Devine had a boat, but Sookie remembered it was a sixteen-foot Boston Whaler Eastport with a four-stroke seventy-horsepower outboard.

From "The Line Tender" by Kate Allen

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