Litmus
//ˈlɪtməs//
"Litmus" in a Sentence (3 examples)
When investigating the pH (acidic, neutral, alkaline) of a liquid, don't soak the litmus paper completely in the liquid but just put the end of the paper in it.
Since primary school we've been checking for the qualities known as acidity and alkalinity with litmus paper.
These elections will be a litmus test for the government.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.