z-axis zax • zayat · · · Info · Definitions · Characters · · z-axis · · Text Common · · Latin · · Scripts 6 · · Length 2 · · Syllables Definitions · · · (noun) the third axis in a 3-dimensional coordinate system. · · Noun Definition 1 Characters · · - hyphen-minus U+002D a latin small letter a U+0061 i latin small letter i U+0069 s latin small letter s U+0073 x latin small letter x U+0078 z latin small letter z U+007A