steam engine

noun

: an engine driven or worked by steam
specifically : a reciprocating engine having a piston driven in a closed cylinder by steam

Examples of steam engine in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
True, in Jevons’ original example, Watt’s steam engine made coal more productive, and Britain consumed more coal, not less. Christopher Marquis, Time, 30 May 2026 Named for English economist William Stanley Jevons, the paradox refers to the period following the invention of the Watt steam engine, when instead of more efficient coal burning resulting in less coal being burned, the commodity instead became cheaper and more popular. Sasha Rogelberg, Fortune, 26 May 2026 Go for a stroll around the steam engines at Locomotive Park, or hike the White Cliffs Wagon Wheels Trail for a slightly more challenging route. Cu Fleshman, Travel + Leisure, 23 May 2026 Much like the steam engine in its early days, AI’s capabilities are extraordinary and, at times, dangerous. Gyimah Whitaker, AJC.com, 28 Apr. 2026 See All Example Sentences for steam engine

Word History

First Known Use

1751, in the meaning defined above

Time Traveler
The first known use of steam engine was in 1751

Browse Nearby Words

Cite this Entry

“Steam engine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/steam%20engine. Accessed 5 Jun. 2026.

Kids Definition

steam engine

noun
: an engine driven by steam

More from Merriam-Webster on steam engine

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster