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Translate files Litmus
/ˈlɪt.məs/
Meaning & Definition
noun
A water-soluble mixture of different dyes extracted from lichens, used to test acidity or alkalinity.
The scientist used litmus paper to determine the pH of the solution.
A test of the effects of a variable, especially as a decisive factor.
The survey served as a litmus test for public opinion on the new policy.
Any factor that provides a simple indication of the overall quality or nature of a situation.
The election results are seen as a litmus test for the party's future direction.
Etymology
From Middle English litmus, from Old Norse liti + moss (moss).
Common Phrases and Expressions
litmus test:
A decisive test indicating the presence, quality, or authenticity of something.
litmus paper:
Paper treated with litmus to test acids or bases.
the litmus test of success:
A critical measure of the effectiveness or viability of something.
Related Words
Slang Meanings
A test used casually to determine someone's loyalty or stance on an issue.
The new policy is a litmus test for how committed they are to change.
A metaphor for something that reveals important information about someone's character.
His reaction to the news was a litmus for his integrity.