z-axis Definition
z·-axis (zē′ak′sis)
noun pl. z′·-ax′es-sēz
Geom. in a three-dimensional Cartesian coordinate system, the axis that is perpendicular to the x-axis and the y-axis and that is used to measure or plot the values of z
z-axis Telecom Definition
The third axis, usually representing depth, of a three-dimensional grid, chart, or graph in a Cartesian coordinate system. The z-axis is perpendicular to both the x-axis and y-axis and is used to plot the value of z, the third unknown in mathematics. See also Cartesian coordinates, x-axis, y-axis, and z.
z-axis Usage Examples
Adjective modifier
positive: First you pick the new origin, then you pick a point for the positive Z-Axis.
Modifies a noun
direction: This will roll the turtle horizontal and make sure the current up vector is oriented in the positive z-axis direction.
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