acid-base indicator

1. 1.

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

   Broaderindicator

   Narrowerphenolphthaleincongo redmethyl orangelitmusbromophenol bluebromothymol blue

Questions about acid-base indicator

What does acid-base indicator mean?

acid-base indicator means "an indicator that changes color on going from acidic to basic solutions".

Is acid-base indicator a common word?

acid-base indicator is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.