Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun acid-base_indicator

1 sense of acid-base indicator

Sense 1
acid-base indicator -- (an indicator that changes color on going from acidic to basic solutions)
       => indicator -- ((chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction)