matrix addition matrix • matrix algebra · · · Info · Definitions · Characters · · matrix addition · · Text Common · · Latin · · Scripts 15 · · Length 5 · · Syllables Definitions · · · (noun) the addition of matrices. Synonyms: matrix addition. · · Noun Definition 1 Characters · · space U+0020 a latin small letter a U+0061 d latin small letter d U+0064 i latin small letter i U+0069 m latin small letter m U+006D n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 x latin small letter x U+0078