Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
a test designed to show whether someones heart works well when exercising hard:
a process intended to test whether a building, product, material, etc. is damaged by particular forces:
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
