The new team faced its first acid test when it played the national champions.
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Self-translation is the acid test for one’s writing.—Literary Hub,
14 Apr. 2026 But the way Arsenal are performing, a very tight victory seems the most likely outcome before the acid test away to Manchester City next weekend.—
Oliver Kay,
New York Times,
10 Apr. 2026 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 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