- discriminantal
- adjective
see discriminant II
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discrimiˈnantal, a. Math.[f. prec. + -al1.]Relating to a discriminant.discriminantal index of a singular point of a curve, the number of intersections of the polar of an arbitrary point with the curve at the given point. total discriminantal index of a curve, the sum of the discriminantal indices of all its singular points.Smith Higher Singularities Plane Curves in Proc. Lond. Math. Soc. VI. 154.
Useful english dictionary. 2012.