abscissa

[ ab-sis-uh ]

noun,plural ab·scis·sas, ab·scis·sae [ab-sis-ee]. /æbˈsɪs i/. Mathematics.
  1. (in plane Cartesian coordinates) the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis.

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Origin of abscissa

1
1690–1700; feminine of Latin abscissus (past participle of abscindere to abscind)

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British Dictionary definitions for abscissa

abscissa

/ (æbˈsɪsə) /


nounplural -scissas or -scissae (-ˈsɪsiː)
  1. 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: Compare ordinate

Origin of abscissa

1
C17: New Latin, originally linea abscissa a cut-off line

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for abscissa

abscissa

[ ăb-sĭsə ]


Plural abscissas abscissae (ăb-sĭsē)
  1. The distance of a point from the y-axis on a graph in the Cartesian coordinate system. It is measured parallel to the x-axis. For example, a point having coordinates (2,3) has 2 as its abscissa. Compare ordinate.

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