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
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.
In these environments, AI becomes a stress test. Katerin Le Folcalvez, Fortune, 8 Jan. 2026 Still, Venezuela is a stress test. Ricardo Torres, Time, 8 Jan. 2026 Bulisco says his firefighters already have free chest X-rays and stress tests baked into their collective bargaining agreements. Chilekasi Adele, CBS News, 8 Jan. 2026 Some of the new services offered in South County include electrocardiograms, echocardiograms, ambulatory monitoring patches that track heart rhythm and treadmill stress tests. Grace Hase, Mercury News, 7 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 10 Jan. 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)
Last Updated: - Updated example sentences
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