matrix addition

NOUN
15 LETTERS · STARTS WITH M

matrix addition is a valid 15-letter word worth 25 points in Scrabble and 27 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3A1T1R1I1X8A1D2D2I1T1I1O1N1
3 + 1 + 1 + 1 + 1 + 8 + 0 + 1 + 2 + 2 + 1 + 1 + 1 + 1 + 1 =25 PTS
DOUBLE WORD → 50TRIPLE WORD → 75
MEANING

What does matrix addition mean?

NOUN · 1 SENSE
1

The addition of matrices.