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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But after realizing how powerful its latest update was, Anthropic moved to keep it from the public and turn it into a cybersecurity stress test. Julia Press, Bloomberg, 23 Apr. 2026 First-quarter earnings, now beginning to roll in, will be the first real stress test of whether corporate America’s supply chains and consumer spending have absorbed the blow—or are still absorbing it. Nick Lichtenberg, Fortune, 21 Apr. 2026 Detroit should win this series handily, but watching the Pistons’ offense (particularly their outside shooting) get a stress test will be interesting. Andrew Greif, NBC news, 17 Apr. 2026 The Masters is the first major of the year, a high-stress test at Augusta National that requires full attention on just about every shot because of the razor-thin difference in the outcome. ABC News, 15 Apr. 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 2 May. 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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