1. a test, esp. one conducted in a laboratory, to determine how much pressure, tension, wear, or the like a given product or material can withstand.
2. Med.a test of cardiovascular health made by recording heart rate, blood pressure, electrocardiogram, and other parameters while a person undergoes physical exertion.
Pronunciation: (stres'test"), [key]
to subject to a stress test.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.