正せい方ほう行ぎょう列れつせいほうぎょうれつじ字FuriganaMeanings1nounsquare matrixmathematics›A matrix with the same number of rows and columns. Used in linear algebra and related mathematical contexts.正せい方ほう行ぎょう列れつの対たい角かく成せい分ぶんの和わを