Otto engine

English

Noun

Otto engine (plural Otto engines)

  1. (usually, strictly) A large stationary single-cylinder internal combustion engine using the Otto cycle and not firing in every cycle.
    Hypernyms: four-stroke engine < internal combustion engine < engine
  2. (loosely) Any internal combustion engine using the Otto cycle.
    Hypernyms: internal combustion engine < engine
    Near-synonym: four-stroke engine (often synonymous)