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ordinate vs. abscissa

ordinate

[awr-dn-it, -eyt] / ˈɔr dnˌɪt, -ˌeɪt /

noun

Mathematics. (in plane Cartesian coordinates) the y-coordinate of a point: its distance from the x-axis measured parallel to the y-axis.

abscissa

[ab-sis-uh] / æbˈsɪs ə /

Mathematics.

abscissas, abscissae

(in plane Cartesian coordinates) the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis.