universal indicator definition, meaning - what is universal indicator in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online

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English definition of “universal indicator”

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universal indicator

noun [C] uk   us   specialized
a chemical solution made from a mixture of substances that produce many different colour changes according to different pH levels, used to discover how acid or alkaline something is
(Definition of universal indicator from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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