x-axis
x-ax·is [ ˈeks-ˌak-səs]
[ˈeks-ˌak-səs]
1 : the axis in a plane Cartesian coordinate system parallel to which abscissas are measured
2 : one of the three axes in a three-dimensional rectangular coordinate system
First Known Use of x-axis
1886, in the meaning defined at sense 1
Dictionary Entries near x-axis