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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In fact, in a 20 minute stress test in the app 3DMark, the Xiaomi Pad 7 Ultra with Xiaomi silicon scored almost as high as the OnePlus Pad 3 running on Qualcomm's best chip, while being more efficient and more stable (see screenshot below). Ben Sin, Forbes.com, 25 June 2025 Even after last year’s somewhat surprising stress test results, Wells Fargo was still able to propose a 14% dividend increase. Morgan Chittum, CNBC, 20 June 2025 Exercise stress test: This test evaluates how your heart responds to different physical activity levels. Sherri Gordon, Health, 8 June 2025 The tech executive outlined some of the risks that his company, as well as others, have discovered during experimental stress tests of AI systems. Sarah Fortinsky, The Hill, 5 June 2025 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 1 Jul. 2025.

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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