litmus test

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litmus test

n.
1. A test for chemical acidity or basicity using litmus paper.
2. A test that uses a single indicator to prompt a decision: "The word 'hopefully' has become the litmus test to determine whether one is a language snob or a language slob" (William Safire).

litmus test

n
1. (Chemistry) a test to establish the acidity or alkalinity of a mixture
2. a critical indication of future success or failure

lit′mus test`


n.
1. a test using litmus paper or solution to indicate the acidity or alkalinity of a solution.
2. a crucial test using a single issue or factor as the basis for judgment.
[1955–60]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.litmus test - a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutionslitmus test - a coloring material (obtained from lichens) that turns red in acid solutions and blue in alkaline solutions; used as a very rough acid-base indicator
acid-base indicator - an indicator that changes color on going from acidic to basic solutions
litmus paper - unsized paper treated with litmus for use as an acid-base indicator
2.litmus test - a test that relies on a single indicator; "her litmus test for good breeding is whether you split infinitives"
exam, examination, test - a set of questions or exercises evaluating skill or knowledge; "when the test was stolen the professor had to make a new set of questions"
Translations

litmus test

n (lit)Lackmustest m; (fig)entscheidender Test

litmus test

[ˈlɪtməsˌtɛst] n (also) (fig) → cartina al tornasole
References in periodicals archive ?
Of course, the question also arises at a time when the Catholic right, inside and outside of formal church structures, is increasingly linking Catholic faith to a series of boundary-marking litmus tests.
Religious litmus tests are unconstitutional in America.