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Conoid - 5 dictionary results

co⋅noid

[koh-noid]
–adjective
1. Also, co⋅noi⋅dal. resembling a cone in shape; cone-shaped.
–noun
2. a geometrical solid formed by the revolution of a conic section about one of its axes.

Origin:
1650–60; < Gk kōnoeids. See cone, -oid
co·noid     (kō'noid')  Pronunciation Key 
adj.   Shaped like a cone.

co'noid n.
conoid

noun
a shape whose base is a circle and whose sides taper up to a point [syn: cone

Conoid

Co"noid\, n. [Gr. ? conical; ? cone + ? from: cf. F. cono["i]de.]

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.

Conoid

Co"noid\ a. Resembling a cone; conoidal.

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