stress test

noun

: an electrocardiographic test of heart function before, during, and after a controlled period of increasingly strenuous exercise (as on a treadmill)

Examples of stress test in a Sentence

Recent Examples on the Web
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This fascinating stress test suggests that video game adaptations could thrive when entrusted to web-native creators who not only respect but understand their source material — and would benefit from collaboration with more experienced filmmakers. Alison Foreman, IndieWire, 29 Jan. 2026 This week's bitterly cold temperatures have served as a stress test for infrastructure in Massachusetts. Brandon Truitt, CBS News, 29 Jan. 2026 This three-pronged stress test can operate as a remarkably effective filter. Glenn Kurlander, Fortune, 28 Jan. 2026 It was just put to a stress test. Tim Dunn, Boston Herald, 28 Jan. 2026 See All Example Sentences for stress test

Word History

First Known Use

1955, in the meaning defined above

Time Traveler
The first known use of stress test was in 1955

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Cite this Entry

“Stress test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stress%20test. Accessed 3 Feb. 2026.

Medical Definition

stress test

noun
: an electrocardiographic test of heart function before, during, and after a controlled period of increasingly strenuous exercise (as on a treadmill)
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