# Cartesian coordinate

### noun Mathematics.

Usually Cartesian coordinates. a member of a system of coordinates for locating a point on a plane (Cartesian 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 rectangular coordinate.

## Origin of Cartesian coordinate

First recorded in 1885–90

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## Cartesian coordinates

### pl n

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