n.
Symbol x2pl.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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