matrix transposition

NOUN
20 LETTERS · STARTS WITH M

matrix transposition is a valid 20-letter word worth 30 points in Scrabble and 34 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS
M3A1T1R1I1X8T1R1A1N1S1P3O1S1I1T1I1O1N1
3 + 1 + 1 + 1 + 1 + 8 + 0 + 1 + 1 + 1 + 1 + 1 + 3 + 1 + 1 + 1 + 1 + 1 + 1 + 1 =30 PTS
DOUBLE WORD → 60TRIPLE WORD → 90
MEANING

What does matrix transposition mean?

NOUN · 1 SENSE
1

The interchange of each row of a square matrix with the corresponding column.