catenoid

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Related to catenoids: Carotenoids

catenoid

[′kat·ən‚ȯid]
(mathematics)
The surface of revolution obtained by rotating a catenary about a horizontal axis.
References in periodicals archive ?
A sphere with two puncture points can be deformed into the infinitely extended hourglass form of a catenoid.
Until the work of Hoffman and Meeks, the plane, catenoid and helicoid (imagine a soap film stretching along the curves of an infinitely long helix or spiral) were the only known examples of complete, embedded, minimal surfaces of finite topology.