The new team faced its first acid test when it played the national champions.
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The acid test of whether California is getting bang for its taxpayers’ buck is the fact that former Californians have voted with their feet in droves.—Jim Doti, Oc Register, 8 Mar. 2026 Additional sugar and acid tests are planned to confirm whether the liquid contains apple-specific compounds, like malic acid.—Andrea Margolis, FOXNews.com, 15 Feb. 2026 This was a place and time in history of tremendous creativity that grew out of the acid test parties, the beatnik poets, and the Summer Of Love.—Brian Halligan, Fortune, 25 Nov. 2025 The azaleas will be the acid test.—Inga, San Diego Union-Tribune, 27 Oct. 2025 See All Example Sentences for acid test
Word History
Etymology
so called from the use of nitric acid to determine the gold content of jewelry