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 (kō′noid′) also co·noi·dal (kō-noid′l)
Shaped like a cone.

co′noid n.


(Mathematics) a geometric surface formed by rotating a parabola, ellipse, or hyperbola about one axis
conical, cone-shaped
[C17: from Greek kōnoeidēs, from kōnos cone]
coˈnoidally adv


(ˈkoʊ nɔɪd)

1. Also, co•noi′dal. cone-shaped.
2. a geometrical solid formed by the revolution of a conic section about one of its axes.
3. something shaped like a cone.
[1650–60; < Greek kōnoeidḗs. See cone, -oid]
co•noi′dal•ly, adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.conoid - a shape whose base is a circle and whose sides taper up to a pointconoid - a shape whose base is a circle and whose sides taper up to a point
round shape - a shape that is curved and without sharp angles
funnel, funnel shape - a conical shape with a wider and a narrower opening at the two ends
tip, peak, point - a V shape; "the cannibal's teeth were filed to sharp points"
References in periodicals archive ?
Transmission electron microscopy revealed a uniform size, a smooth surface and intact cell or nuclear membranes with an oval-shaped nucleus also conoids and micronemes were observedin control group.
He wrote many works such as On the Sphere and the Cylinder, On Conoids and Spheroids, On Floating Bodies, On the Equilibrium of Planes by which he promoted mathematical science more than anyone else in antiquity.