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x-axis definition

x·-axis (eks′ak′sis)

noun pl. x-axes x′·-ax′es (-sēz)

  1. the horizontal, or more nearly horizontal, axis in a plane Cartesian coordinate system, along which the abscissa is measured
  2. a similar axis that is perpendicular to the y-axis and the z-axis of a three-dimensional Cartesian coordinate system

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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