conoid Meaning, Definition & Usage

noun a shape whose base is a circle and whose sides taper up to a point
cone shape; cone.

Gr. conical; cone + from: cf. F. conoïde.

Anything that has a form resembling that of a cone.
(Geom.) (a) A solid formed by the revolution of a conic section about its axis; as, a parabolic conoid, elliptic conoid, etc.; -- more commonly called paraboloid, ellipsoid, etc. (b) A surface which may be generated by a straight line moving in such a manner as always to meet a given straight line and a given curve, and continue parallel to a given plane. Math. Dict.