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Definition of Acid-base indicator
1. Noun. An indicator that changes color on going from acidic to basic solutions.
Specialized synonyms: Phenolphthalein, Congo Red, Methyl Orange, Litmus, Litmus Test, Bromophenol Blue, Bromphenol Blue, Tetrabromo-phenolsulfonephthalein, Bromothymol Blue, Bromthymol Blue
Generic synonyms: Indicator
Generic synonyms: Indicator
Definition of Acid-base indicator
1. Noun. (chemistry) A substance that shows the acidity or alkalinity of a solution by its colour. ¹
¹ Source: wiktionary.com