Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A decisive or critical test, as of worth or quality.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a rigorous test or appraisal of the quality or worth of something

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a rigorous or crucial appraisal

Etymologies

From the testing of gold in nitric acid.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From the testing of gold with nitric acid (true gold is not affected) (Wiktionary)

Examples

Sorry, no example sentences found.

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