negative-raising

16 LETTERS · 4 SYLLABLES · STARTS WITH N

negative-raising is a valid 16-letter word worth 20 points in Scrabble and 25 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

N1E1G2A1T1I1V4E1-0R1A1I1S1I1N1G2

1 + 1 + 2 + 1 + 1 + 1 + 4 + 1 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 2 =20 PTS

DOUBLE WORD → 40TRIPLE WORD → 60

MEANING

What does negative-raising mean?