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abscissa
[ ab-sis-uh ]
noun
- (in plane Cartesian coordinates) the x-coordinate of a point: its distance from the y-axis measured parallel to the x-axis.
abscissa
/ ăb-sĭs′ə /
, Plural abscissas ăb-sĭs′ē
- 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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Word History and Origins
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Word History and Origins
Origin of abscissa1
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Example Sentences
The corresponding value of y determines a point P in accordance with the rule that x is the abscissa and y the ordinate of P.
To any value of x there corresponds a point N on the axis of x, in accordance with the rule that x is the abscissa of N.
Curves have been prepared having pressure as an abscissa and elasticity as ordinate.
The curve then crosses the abscissa upwards, and the positive curvature reaches a maximum.
Abscissa represents duration of exposure and quantity of incident light.
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