abscis sa or absciss

[In Ger. absci e; from Lat. absci us torn off; pa. par. of ab scindo: fr. ab and scindo; Gr. σχίζω ( schizo ) = to split; cogn. with the Eng. sci ors.] Conic Sections: The absci a of a parabola is the part of a diameter intercepted between its vertex and the point in which it is intersected by one of its own ordinates. The absci a of the axis is the part of the axis intercepted between its vertex and the point in which it is intersected by one of its own ordinates. IMG:content-0047.png:[blocks in formation] Fig. 3. B C ellipse ABCD (Fig. 3), BQ and QD are the absci æ of the diameter BD, corresponding to the point A. The absci or of the axis are the segments into which the major axis is divided by one of its own ordinates. In a hyperbola, the ab- A sci e of any diameter are the segments into which, when produced, it is di- vided by one of its own ordinates and its vertices. In the opposite hyper- bolas, A B C and DEG (Fig. 4), Ен and и в are the ab- C sci æ of the diameter EB, corresponding to the point D. B E H F Fig. 4. D G IMG:content-0048.png:[blocks in formation] 4. The act of annulling or abrogating. this designation of his [of Jesus] in submitting himself to the bloody covenant of circumcision, which was a just and expre absci ion of it, was an act of glorious humility." -Jeremy Taylor: Great Exemplar , p. 60. * II. The state of being cut off. "By ce ation of oracles with Montacutius we may understand the interci ion not absci ion or consum mate desolation."- Browne : Vulgar Errours.