Dictionary
ab•scis•sa
Pronunciation: (ab-sis'u), [key]—
n.,
—pl. -scis•sas, -scis•saePronunciation: (-sis'ē). [key]
Math.
(in plane Cartesian coordinates) the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis. Cf.
ordinate.Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.