# ALL meanings of abscissa

ab·scis·sa

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*noun*abscissa 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 3 -
*noun*abscissa the horizontal Cartesian coordinate on a plane, measured from the y-axis along a line parallel with the x-axis to point P 3 -
*noun*Technical meaning of abscissa (mathematics) The horizontal or x coordinate on an (x, y) graph; the input of a function against which the output is plotted. The vertical or y coordinate is the "ordinate". See Cartesian coordinates. 1 -
*noun*abscissa mathematics: coordinate 1 -
*noun*abscissa (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. 1 -
*noun plural*abscissa (in plane Cartesian coordinates) the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis. 1 -
*noun*abscissa (geometry) The first of the two terms by which a point is referred to, in a system of fixed rectilinear coordinate (Cartesian coordinate) axes. The abscissa is also known as the "x" coordinate of a point, shown on the horizontal line, with the ordinate, also known as the "y" coordinate, shown on the vertical line. 0