four-stroke engine

Noun
  1. An internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke;
    Work is done on the third stroke and the products of combustion are exhausted on the fourth stroke (synset 103393836)
    is a type of: ice, internal-combustion engine - a heat engine in which combustion occurs inside the engine rather than in a separate furnace; heat expands a gas that either moves a piston or turns a gas turbine
    same as: four-stroke internal-combustion engine

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