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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Accelerated environmental stress tests confirmed the physical durability of the new coating. Aman Tripathi, Interesting Engineering, 16 Aug. 2026 Defaults on private-credit loans hit their highest level in at least five years, a major stress test for the growing industry. Tom Chivers, semafor.com, 10 Aug. 2026 The Snapdragon 8 Elite Gen 5 posted near-identical numbers, averaging roughly 3,750 and 11,700 on Geekbench 6 stress tests. Florence Ion, PC Magazine, 3 Aug. 2026 Edinburgh’s conference looks designed as an exploration and stress test of what kinds of films the current system can still support. Callum McLennan, Variety, 24 July 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 22 Aug. 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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