Definitions for "Abscissa"
The first element in a coordinate pair. When graphed in the coordinate plane, it is the distance from the y-axis. Frequently called the x coordinate.
A term in rectangular coordinates referring to the horizontal distance of any point from the vertical axis.
The value representing the distance of a point from the Y-axis in the Cartesian coordinate system, measured along a line parallel to the X-axis. (Compare "Ordinate".)
One of the elements of reference by which a point, as of a curve, is referred to a system of fixed rectilineal co├Ârdinate axes.
A segment of a wing vein that is delimited by the intersection of other veins.