Symbolx2Inflected forms: pl. ab·scis·sas or ab·scis·sae (-ss) The coordinate representing the position of a point along a line perpendicular to the y-axis in a plane Cartesian coordinate system.
ETYMOLOGY:
New Latin (lnea) abscissa, (line) cut off, from Latin abscissa, feminine of abscissus, past participle of abscindere, to abscise. See abscise.