acid-base indicator

Noun acid-base indicator has 1 sense

• acid-base indicator(n = noun.substance) - an indicator that changes color on going from acidic to basic solutions;
has particulars: phenolphthalein, congo red, methyl orange, litmus, litmus test, bromophenol blue, bromphenol blue, tetrabromo-phenolsulfonephthalein, bromothymol blue, bromthymol blue
is a kind of indicator