simple engine

noun

An engine that has only a single stage, contrasting to a compound engine, compound locomotive, or triple expansion engine, which use multiple stages to improve efficiency.

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Meanings

nounsimple engine (plural simple engines)

plural simple engines

  1. An engine that has only a single stage, contrasting to a compound engine, compound locomotive, or triple expansion engine, which use multiple stages to improve efficiency.
  2. A steam engine that does not use a separate condenser to create suction and thereby improve efficiency.
Cite this entry
APA

simple engine. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/simple%20engine

MLA

“simple engine.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/simple%20engine. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “simple engine,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/simple%20engine.

Source: simple engine on Wiktionary, CC BY-SA 4.0.