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x-axis

 - 3 dictionary results

x-ax⋅is

[eks-ak-sis]
–noun, plural x-ax⋅es [eks-ak-seez] . Mathematics.
1. 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.
2. (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:
1925–30
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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x-ax·is   (ěks'āk'sĭs)
n.   pl. x-ax·es (-āk'sēz)
  1. The horizontal axis of a two-dimensional Cartesian coordinate system.

  2. One of three axes in a three-dimensional Cartesian coordinate system.

The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
x-axis   (ěks'āk'sĭs)  Pronunciation Key 
  1. The horizontal axis of a two-dimensional Cartesian coordinate system.

  2. One of the three axes of a three-dimensional Cartesian coordinate system.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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