volume indicator

16 LETTERS · STARTS WITH V

volume indicator is a valid 16-letter word worth 23 points in Scrabble and 29 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

V4O1L1U1M3E1I1N1D2I1C3A1T1O1R1

4 + 1 + 1 + 1 + 3 + 1 + 0 + 1 + 1 + 2 + 1 + 3 + 1 + 1 + 1 + 1 =23 PTS

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does volume indicator mean?