acid test

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[edit] English

[edit] Etymology

From the testing of gold with nitric acid (true gold is not affected)

[edit] Noun

acid test (plural acid tests)

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

[edit] Translations

Rigorous test or appraisal of the quality or worth
  • French: baptême du feu (fr) (literally, "fire baptism" : first use of something in a real situation)

[edit] Anagrams

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