diagonalize

[ dahy-ag-uh-nl-ahyz, -ag-nl- ]

verb (used with object)

, di·ag·o·nal·ized, di·ag·o·nal·iz·ing.

1. Mathematics. to transform (a matrix) to a diagonal matrix.

Word History and Origins

Origin of diagonalize¹

First recorded in 1880–85; diagonal + -ize