# Cartesian coordinates

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Related to Cartesian coordinates: Cartesian equation

## Cartesian coordinates

*pl n*

(Mathematics) a system of representing points in space in terms of their distance from a given origin measured along a set of mutually perpendicular axes. Written (

*x,y,z*) with reference to three axes## Carte′sian coor′dinates

*n.pl.*

a system of coordinates for locating a point on a plane by its distance from each of two intersecting lines, or in space by its distance from each of three planes intersecting at a point. Compare

**x-axis, y-axis, z-axis.**[1885–90]

## cartesian coordinates

A coordinate system in which locations of points in space are expressed by reference to three mutually perpendicular planes, called coordinate planes. The three planes intersect in three straight lines called coordinate axes. See also coordinates.

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