time machine

noun

: a hypothetical device that permits travel into the past and future

Examples of time machine 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.
Reproductive technology may assume the chrome-and-glass form of an existential time machine, zipping frictionlessly into the future to retrieve high-definition images of a premium-grade child. Jessica Winter, New Yorker, 21 Apr. 2025 Try going back in time and destroying your time machine. Paul Sutter, Space.com, 25 Jan. 2025 For him, watching the teams play felt like stepping into a time machine. Mohamed Sheikh Nor, Christian Science Monitor, 15 Apr. 2025 During its initial 26-season run, episodes centered around the adventures of our favorite regenerating Time Lord scientist from the planet Gallifrey and his occasional companions aboard the TARDIS (Time and Relative Dimensions In Space) time machine designed like an innocent British police box. Jeff Spry, Space.com, 11 Mar. 2025 See All Example Sentences for time machine

Word History

First Known Use

1894, in the meaning defined above

Time Traveler
The first known use of time machine was in 1894

Browse Nearby Words

Cite this Entry

“Time machine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/time%20machine. Accessed 15 May. 2025.

Kids Definition

time machine

noun
: a fictional machine that allows one to travel backward or forward in time
Last Updated: - Updated example sentences
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