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ordinate or·di·nate (ôr'dn-ĭt, -āt')
The plane Cartesian coordinate representing the distance from a specified point to the x-axis, measured parallel to the y-axis.
The distance of a point from the x-axis on a graph in the Cartesian coordinate system. It is measured parallel to the y-axis. For example, a point having coordinates (2,3) has 3 as its ordinate. Compare abscissa.