Co"noid (?), n. [Gr. conical; cone + from: cf. F. conoide.]
1.
Anything that has a form resembling that of a cone.
2. 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.
© Webster 1913.
Co"noid
, Resembling a cone; conoidal.
© Webster 1913.