Conoid :: Conoid (n.) Anything that has a form resembling that of a cone.
Conoid :: Conoid (n.) 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..
Conoid :: Conoid (n.) 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..
Conoid :: Conoid (a.) Resembling a cone; conoidal.
Conoidal :: Conoidal (a.) Nearly, but not exactly, conical..
Conoidical :: Conoidical (a.) Pertaining to a conoid; having the form of a conoid.
Zirconoid :: Zirconoid (n.) A double eight-sided pyramid, a form common with tetragonal crystals; -- so called because this form often occurs in crystals of zircon..