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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Conviction in the Gulf as a future global hub for AI infrastructure is facing its first stress test with Iranian strikes puncturing the region’s image as a haven for computing power. Kelsey Warner, semafor.com, 2 Mar. 2026 The ones that have earned a rightful long-term place in my quiver are the ones that obsess over seam taping, stress test their zippers, and refine fabrication choices with rigorous field testing. Todd Plummer, Robb Report, 25 Feb. 2026 Fluorescent proteins can be a useful stress test for protein language models. Marc Zimmer, The Conversation, 24 Feb. 2026 Right-handers Seth Halvorsen and Victor Vodnik figure to compete for the closer’s job during camp, but will Halvorsen’s elbow pass the stress test? Patrick Saunders, Denver Post, 15 Feb. 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 13 Mar. 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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