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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African aviation is facing a stress test as a result of the Iran war, as fuel costs rise and routes are closed in the Middle East. Alexander Onukwue, semafor.com, 25 Mar. 2026 The prospect of a primary offers a stress test on a system friendly to incumbents. Mark Pazniokas, Hartford Courant, 23 Mar. 2026 Sodium-ion battery safety with extreme stress test results The Chinese company has also outlined new safety validation results for its sodium-ion battery program, saying internal tests show the cells can tolerate extreme stress scenarios. Bojan Stojkovski, Interesting Engineering, 21 Mar. 2026 However, Goldman Sachs and Wells Fargo are well capitalized, as seen in the results from the Fed’s stress test last summer. Morgan Chittum, CNBC, 15 Mar. 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 Apr. 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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