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a number that identifies a position relative to an axis
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one of the coordinates in a system of coordinates that locates a point on a plane or in space by its distance from two lines or three planes respectively; the two lines or the intersections of the three planes are the coordinate axes
either of two values that locate a point on a plane by its distance from a fixed pole and its angle from a fixed line passing through the pole
one of three Cartesian coordinates that determine a position in space
the value of a coordinate on the horizontal axis
the value of a coordinate on the vertical axis
a concept of quantity involving zero and units
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