density indicator

17 LETTERS · STARTS WITH D

density indicator is a valid 17-letter word worth 23 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

D2E1N1S1I1T1Y4I1N1D2I1C3A1T1O1R1

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

DOUBLE WORD → 46TRIPLE WORD → 69

MEANING

What does density indicator mean?