surface paper

13 LETTERS · STARTS WITH S

surface paper is a valid 13-letter word worth 21 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

S1U1R1F4A1C3E1P3A1P3E1R1

1 + 1 + 1 + 4 + 1 + 3 + 1 + 0 + 3 + 1 + 3 + 1 + 1 =21 PTS

DOUBLE WORD → 42TRIPLE WORD → 63

MEANING

What does surface paper mean?