411 REFERENCE · Wiktionary
Otto engine
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Noun
en Q3507866 en usually , strictly A large stationary single-cylinder internal combustion engine using the Otto cycle and not firing in every cycle.
en four-stroke engine < internal combustion engine < engine
en any engine with Otto cycle en loosely Any internal combustion engine using the Otto cycle.
en internal combustion engine < engine
en four-stroke engine<qq:often synonymous>
en eponyms