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English noun: acid-base indicator

1. acid-base indicator (substance) an indicator that changes color on going from acidic to basic solutions


Broader (hypernym)indicator


Narrower (hyponym)bromophenol blue, bromothymol blue, bromphenol blue, bromthymol blue, congo red, litmus, litmus test, methyl orange, phenolphthalein, tetrabromo-phenolsulfonephthalein









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