four-stroke

adjective

Of or relating to a design of internal combustion engine in which the pistons perform four strokes per engine cycle: intake, compression, power, exhaust.

“This motorbike has a four-stroke engine.”

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Meanings

adjectivefour-stroke (not comparable)
  1. not comparableOf or relating to a design of internal combustion engine in which the pistons perform four strokes per engine cycle: intake, compression, power, exhaust.

    This motorbike has a four-stroke engine.

    1 more example

    This is a 16-cylinder unit with the cylinders arranged in vee formation, operating on the four-stroke cycle and pressure-charged by four Napier exhaust gas-driven turbo-chargers.

    1958 June 28, “Main-Line Diesel-Electric Locomotives for the Eastern Region”, in Railway Magazine, page 393
nounfour-stroke (plural four-strokes)

plural four-strokes

  1. A four-stroke engine.
  2. A vehicle or machine powered by a four-stroke engine.
Cite this entry
APA

four-stroke. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/four-stroke

MLA

“four-stroke.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/four-stroke. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “four-stroke,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/four-stroke.

Source: four-stroke on Wiktionary, CC BY-SA 4.0.