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.

Origin of x-axis

First recorded in 1925–30

WORDS THAT MAY BE CONFUSED WITH x-axis

x-axis y-axis

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

Example sentences from the Web for x-axis

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

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.