| Subject | English | French |
| tech. | X-coordinate | coordonnée X |
| comp., MS | x-coordinate | axe des abscisses (The position of a point with reference to the x-axis, defined in conjunction with the y- and z-coordinates) |
| comp., MS | x-coordinate | axe des x (The position of a point with reference to the x-axis, defined in conjunction with the y- and z-coordinates) |
| tech. | X-coordinate | abscisse |
| IT, dat.proc. | X-Y coordinate system | système de coordonnées cartésien |
| IT, dat.proc. | X-Y coordinate system | système de coordonnées cartésiennes |
| IT, dat.proc. | X-Y coordinate system | système de coordonnées rectangulaires |