square matrix square mark • square meal · · · Info · Definitions · Characters · · square matrix · · Text Common · · Latin · · Scripts 13 · · Length 4 · · Syllables Definitions · · · (noun) a matrix with the same number of rows and columns. Synonyms: square matrix. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 m latin small letter m U+006D q latin small letter q U+0071 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 u latin small letter u U+0075 x latin small letter x U+0078