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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That stress test has arrived just as private loans became more prevalent in the ETF market. Krysta Escobar, CNBC, 11 Apr. 2026 Players undergo stress tests during practice so the coaching staff can identify weaknesses before the season starts. Anthony Solorzano, Los Angeles Times, 7 Apr. 2026 But surviving a stress test is different from being designed to absorb shocks and recover. Big Think, 31 Mar. 2026 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 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 18 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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