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Litmus Definition & Meaning

litmus
noun
  1. 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

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Frequently asked questions

What does litmus mean?
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
What part of speech is litmus?
Litmus is a noun.

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