underdotting

12 LETTERS · 4 SYLLABLES · STARTS WITH U

underdotting is a valid 12-letter word worth 15 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
U1N1D2E1R1D2O1T1T1I1N1G2
1 + 1 + 2 + 1 + 1 + 2 + 1 + 1 + 1 + 1 + 1 + 2 =15 PTS
DOUBLE WORD → 30TRIPLE WORD → 45
MEANING

What does underdotting mean?

1