acid test


Definition of acid test

: a severe or crucial test

Examples of acid test in a Sentence

The new team faced its first acid test when it played the national champions.
Recent Examples on the Web That is the real acid test for whether this government can achieve results. John Follain,, "Coronavirus Could Send Italy Into Recession, Official Warns," 5 May 2020 Each of these seemed to satisfy the requirements of both quantum mechanics and special relativity — two of nature’s acid tests. George Johnson,, "Freeman Dyson, physicist who wrestled with moral questions, dies," 29 Feb. 2020 Each of these seemed to satisfy the requirements of both quantum mechanics and special relativity — two of nature’s acid tests. George Johnson, New York Times, "Freeman Dyson, Math Genius Turned Technological Visionary, Dies at 96," 28 Feb. 2020 The experience lasts about five minutes and functions as a sort of Turrell acid test, during which the dazzling colors of light completely eliminate any sense of depth within each person’s visual field. John Zotos, Dallas News, "American artist explores light and perception in ground-breaking exhibition in Mexico City," 15 Jan. 2020 This really is the acid test as to whether OSU’s run defense has improved. oregonlive, "Oregon State Beavers vs. Stanford Cardinal football: Sneak peek," 22 Sep. 2019 The Raiders have been stingy against the run through two games, but this is the acid test. Jerry Mcdonald, The Mercury News, "Five keys for the Raiders in road test at Minnesota," 21 Sep. 2019 That continuing power of inspiration, it might be argued, is the acid test of Burle Marx’s greatness. Adrian Higgins, Washington Post, "This Brazilian artist and landscape architect was bound only by the limits of his imagination," 8 July 2019 Next up for Morocco was the real acid test: England., "World Cup Countdown: 8 Weeks to Go - Morocco Give Africa Their Moment in the Mexican Sun," 27 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'acid test.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of acid test

1854, in the meaning defined above

History and Etymology for acid test

so called from the use of nitric acid to determine the gold content of jewelry

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Time Traveler for acid test

Time Traveler

The first known use of acid test was in 1854

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Cite this Entry

“Acid test.” Dictionary, Merriam-Webster, Accessed 12 Jul. 2020.

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More Definitions for acid test

acid test


English Language Learners Definition of acid test

: a difficult situation or task that shows if someone or something is good enough to succeed

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