additive inverse

NOUN
16 LETTERS · STARTS WITH A

additive inverse is a valid 16-letter word worth 23 points in Scrabble and 26 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
A1D2D2I1T1I1V4E1I1N1V4E1R1S1E1
1 + 2 + 2 + 1 + 1 + 1 + 4 + 1 + 0 + 1 + 1 + 4 + 1 + 1 + 1 + 1 =23 PTS
DOUBLE WORD → 46TRIPLE WORD → 69
MEANING

What does additive inverse mean?

NOUN · 1 SENSE
1

(mathematics) one of a pair of numbers whose sum is zero; the additive inverse of -5 is +5.