power set

9 LETTERS · STARTS WITH P

power set is a valid 9-letter word worth 13 points in Scrabble and 14 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3O1W4E1R1S1E1T1

3 + 1 + 4 + 1 + 1 + 0 + 1 + 1 + 1 =13 PTS

DOUBLE WORD → 26TRIPLE WORD → 39

MEANING

What does power set mean?