abscissa
/æbˈsɪs.ə/
noun
- In mathematics, the horizontal coordinate (x-coordinate) of a point on a graph, measured from the vertical (y) axis.
- The student labeled the abscissa and the ordinate before drawing the line.
- On the graph, the abscissa of point A is 3, meaning it is three units to the right of the y-axis.
- To plot the point, first find the abscissa on the x-axis, then move up to the correct height.