- the horizontal or x-coordinate of a point in a two-dimensional system of Cartesian coordinates. It is the distance from the y-axis measured parallel to the x-axis
WordReference Random House Unabridged Dictionary of American English © 2020
ab•scis•sa (ab sis′ə),USA pronunciation n., pl. -scis•sas, -scis•sae (ab sis′ə),USA pronunciation [Math.]
- Mathematics(in plane Cartesian coordinates) the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis. Cf. ordinate.
- feminine of Latin abscissus (past participle of abscindere to abscind) 1690–1700
Collins Concise English Dictionary © HarperCollins Publishers::
abscissa /æbˈsɪsə/ n ( pl -scissas, -scissae /
'abscissa' also found in these entries: