subtraction sign

16 LETTERS · STARTS WITH S

subtraction sign is a valid 16-letter word worth 20 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1B3T1R1A1C3T1I1O1N1S1I1G2N1

1 + 1 + 3 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 2 + 1 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does subtraction sign mean?