z-axis

Definitions

Computing

  • noun an axis for depth in a three-dimensional graph or plot

Electronics

  • One of the three mutually-perpendicular axes in a three-dimensional Cartesian coordinate system, the others being the x- and y- axes.
  • One of three reference axes in a quartz crystal, the others being the x- and y- axes.
  • In a CRT, the axis representing the intensity of the electron beam.
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