1. the coordinate that gives the distance along the horizontal axis (= the one along the bottom) Compare : ordinate
   Word Originearly 17th cent. (denoting the part of a line between a point on it and the point where it meets an ordinate): from modern Latin abscissa (linea) ‘cut-off (line)’, feminine past participle of abscindere, from ab- ‘off’ + scindere ‘to cut’.

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[TahlilGaran] English Dictionary ▲