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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
First-quarter earnings, now beginning to roll in, will be the first real stress test of whether corporate America’s supply chains and consumer spending have absorbed the blow—or are still absorbing it. Nick Lichtenberg, Fortune, 21 Apr. 2026 Detroit should win this series handily, but watching the Pistons’ offense (particularly their outside shooting) get a stress test will be interesting. Andrew Greif, NBC news, 17 Apr. 2026 The Masters is the first major of the year, a high-stress test at Augusta National that requires full attention on just about every shot because of the razor-thin difference in the outcome. ABC News, 15 Apr. 2026 Scaling production of the solid-state battery With validation of the material chemistry and passing preliminary safety stress tests, the A-sample provides the foundational green light needed to move toward vehicle integration and eventual mass production. Mrigakshi Dixit, Interesting Engineering, 15 Apr. 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

Browse Nearby Words

Cite this Entry

“Stress test.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stress%20test. Accessed 25 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)
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster