abscissa

views updated May 21 2018

ab·scis·sa / abˈsisə/ • n. (pl. -scis·sae / -ˈsisē/ or -scis·sas) Math. (in a system of coordinates) the x-coordinate, the distance from a point to the vertical or y-axis measured parallel to the horizontal or x-axis. Compare with ordinate.

abscissa