Meanings
proper noun
- The basic thermodynamic cycle of the normal four-stroke internal combustion engine: isentropic compression, constant-volume heat addition, isentropic expansion, and constant-volume heat rejection.
Origin
Named after Nikolaus Otto, German engineer.
Full word history & related roots →Cite this entry
APA
Otto cycle. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Otto%20cycle
MLA
“Otto cycle.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Otto%20cycle. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Otto cycle,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Otto%20cycle.
Source: Otto cycle on Wiktionary, CC BY-SA 4.0.