z axis
/ˈziː ˌæksɪs/
noun
- In a three-dimensional coordinate system, the axis that is perpendicular to both the x-axis and y-axis, often representing depth or height.
- When plotting points in space, the z-axis measures depth.
- In 3D modeling, you can move an object along the z-axis to make it appear closer or farther away.
- The z-axis on a graph usually shows the vertical dimension.