preferential voting

19 LETTERS · STARTS WITH P

preferential voting is a valid 19-letter word worth 27 points in Scrabble and 33 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1E1F4E1R1E1N1T1I1A1L1V4O1T1I1N1G2

3 + 1 + 1 + 4 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 4 + 1 + 1 + 1 + 1 + 2 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does preferential voting mean?