# x-axis

[ 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.

## Words nearby x-axis

x, x chromosome, x marks the spot, x pr, x, x, x-axis, x-c, x-chromosome, x-disease, x-height, x-inactivation

## Origin of x-axis

First recorded in 1925–30

## WORDS THAT MAY BE CONFUSED WITH x-axis

x-axis y-axisDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

## Examples from the Web for x-axis

The tracer is then placed on the x-axis of the y-curve and clamped to the carriage, and the instrument is ready for use.

## British Dictionary definitions for x-axis

x-axis

### noun

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

## Scientific definitions for x-axis

x-axis

[ ĕks′ăk′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.