axis of abscissas

noun Mathematics.

Nearby words

  1. axioversion,
  2. axipetal,
  3. axis,
  4. axis deer,
  5. axis deviation,
  6. axis of evil,
  7. axis of ordinates,
  8. axis of revolution,
  9. axis of symmetry,
  10. axis powers


[ eks-ak-sis ]
/ ˈɛksˌæk sɪs /

noun, plural x-ax·es [eks-ak-seez] /ˈɛksˌæk siz/. Mathematics.

Also called axis of abscissas. (in a plane Cartesian coordinate system) the axis, usually horizontal, along which the abscissa is measured and from which the ordinate is measured.
(in a three-dimensional Cartesian coordinate system) the axis along which values of x are measured and at which both y and z equal zero.

Origin of x-axis

First recorded in 1925–30

Can be confusedx-axis y-axis Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for axis-of-abscissas



a reference axis, usually horizontal, of a graph or two- or three-dimensional Cartesian coordinate system along which the x- coordinate is measured
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for axis-of-abscissas


[ ĕksăk′sĭs ]

The horizontal axis of a two-dimensional Cartesian coordinate system.
One of the three axes of a three-dimensional Cartesian coordinate system.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.