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Abscissa

Abscissa


ab·scis·sa    Audio Help   (āb-sĭs'ə)  Pronunciation Key 


n.   Symbol x2 pl. ab·scis·sas or ab·scis·sae (-sĭs'ē)
The coordinate representing the position of a point along a line perpendicular to the y-axis in a plane Cartesian coordinate system.


[New Latin (līnea) abscissa, (line) cut off, from Latin abscissa, feminine of abscissus, past participle of abscindere, to abscise; see abscise.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2000 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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