WordNet: acid-base indicator

an indicator that changes color on going from acidic to basic solutions

• hypernym indicator

• hyponym phenolphthalein

• hyponym congo red

• hyponym methyl orange

• hyponym litmus, litmus test

• hyponym bromophenol blue, bromphenol blue, tetrabromo-phenolsulfonephthalein

• hyponym bromothymol blue, bromthymol blue

acid-base indicator

• (suomi) happo-emäsindikaattori (synonyymi)