acid-base indicator

NOUN
19 LETTERS · STARTS WITH A

acid-base indicator is a valid 19-letter word worth 25 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1C3I1D2-0B3A1S1E1I1N1D2I1C3A1T1O1R1
1 + 3 + 1 + 2 + 0 + 3 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 1 + 3 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does acid-base indicator mean?

NOUN · 1 SENSE
1

An indicator that changes color on going from acidic to basic solutions.

BROADER