- 1 English
- 2 Latin
- 3 Portuguese
- 4 Swedish
- (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. [First attested in the late 17th century.]
- The point has 3 as its abscissa and 2 as its ordinate.
- (geometry) The horizontal line representing an axis of a Cartesian coordinate system, on which the abscissa (sense above) is shown.
first of two coordinates
- “abscissa” in Lesley Brown, editor-in-chief; William R. Trumble and Angus Stevenson, editors, The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford; New York, N.Y.: Oxford University Press, 2002, →ISBN, page 8.
See the etymology of the main entry.
- nominative feminine singular of
- nominative neuter plural of
- accusative neuter plural of
- vocative feminine singular of
- vocative neuter plural of