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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This article explores the advantages of filmmakers keeping a foot in the theatre world, which can offer both unique audience building opportunities and creative stress tests for your scripts. Dana Harris-Bridson, IndieWire, 10 June 2026 Anthropic was clear that the tests were built to force a binary choice and that its newer models no longer behave that way, so the figure is a stress test rather than a forecast of office life. Dara-Abasi Ita, Forbes.com, 6 June 2026 This outbreak is a stress test — and right now, despite recent progress, the world is failing. Tom Frieden, STAT, 6 June 2026 The stress test escalated quickly and Vendo refused requests for edible insects, firearms, even marijuana (legal in Arizona). Nick Lichtenberg, Fortune, 2 June 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 23 Jun. 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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