ACIDTEST

Acid test

An acid test is any qualitative chemical or metallurgical assay which uses acid; most commonly, and historically, the use of a strong acid to distinguish gold from base metals. Figuratively, acid test is any definitive test for some attribute, e.g. of a person's character, or of the performance of some product.

The above text is a snippet from Wikipedia: Acid test (gold)
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acid test

Noun

  1. a rigorous test or appraisal of the quality or worth of something


The above text is a snippet from Wiktionary: acid test
and as such is available under the Creative Commons Attribution/Share-Alike License.

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