CONOID

cone, conoid, cone shape

(noun) a shape whose base is a circle and whose sides taper up to a point

Source: WordNet® 3.1

Etymology

Adjective

conoid (comparative more conoid, superlative most conoid)

Shaped like a cone; conical

Noun

conoid (plural conoids)

Anything shaped like a cone.

(geometry) A Catalan surface all of whose rulings intersect some fixed line.

(geometry) A solid formed by the revolution of a conic section about its axis.

Hyponyms

• (geometry): right conoid ⊃ hyperbolic paraboloid

Source: Wiktionary

Co"noid, n. Etym: [Gr. conoïde.]

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.

Co"noid

Definition: , Resembling a cone; conoidal.

Source: Webster’s Unabridged Dictionary 1913 Edition