# abscissa

[ab-sis-uh]

- (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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Compare ordinate.

## Origin of abscissa^{}

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## 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 -axisCompare ordinate

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## Word Origin

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

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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## Word Origin and History for abscissae

## abscissa

Online Etymology Dictionary, © 2010 Douglas Harper

## abscissa

[ăb-sĭs′ə]

- 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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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.