quadric quantic

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Quadric — Quad ric, n. (a) (Alg.) A quantic of the second degree. See {Quantic}. (b) (Geom.) A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with… … The Collaborative International Dictionary of English
Quantic — Quan tic, n. [L. quantus how much. See {Quantity}.] (Math.) A homogeneous algebraic function of two or more variables, in general containing only positive integral powers of the variables, and called quadric, cubic, quartic, etc., according as it … The Collaborative International Dictionary of English
quadric — [kwä′drik΄] adj. [< L quadra, a square (akin to quattuor,FOUR) + IC] Math. of the second degree: used of a function with more than two variables n. a quantic of the second degree … English World dictionary

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