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Conoid - 6 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⋅noi⋅dal⋅ly, adverb
co·noid   (kō'noid')   
adj.  Shaped like a cone.
co'noid n.

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.

Main Entry: 1co·noid
Pronunciation: 'kO-"noid
Variant: or co·noi·dal /kO-'noid-&l/
Function:adjective
: shaped like or nearly like a cone

Main Entry: 2conoid
Function: noun
: a cone-shaped structure; especially : a hollow organelle shaped like a truncated cone that occurs at theanterior end of the organism in some developmental stages of some sporozoans (as of the genus Sarcocystis)
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