litmus test

English Dictionary -> Letter L -> litmus test

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litmus test Definition

• (n) 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
• (n) a test that relies on a single indicator; "her litmus test for good breeding is whether you split infinitives"

litmus test Synonyms

• litmus
• litmus test