対たい角かく行ぎょう列れつたいかくぎょうれつじ字FuriganaMeanings1noundiagonal matrixmathematics›A square matrix in which all off-diagonal entries are zero. Used in linear algebra.対たい角かく行ぎょう列れつの対たい角かく成せい分ぶんは固こ有ゆう