diagonalize

verb

di·​ag·​o·​nal·​ize dī-ˈa-gə-nə-ˌlīz 

-ˈag-nə-

diagonalized; diagonalizing

transitive verb

: to put (a matrix) in a form with all the nonzero elements along the diagonal from upper left to lower right

diagonalizable

dī-ˈa-gə-nə-ˌlī-zə-bəl 

-ˈag-nə-

adjective

diagonalization

dī-ˌa-gə-nə-lə-ˈzā-shən 

-ˌag-nə-lə-ˈzā-

noun

Word History

First Known Use

1942, in the meaning defined above