catenoid

catenoid

[kat-n-oid]
noun Geometry.
the surface generated by rotating a catenary about its axis of symmetry.

Origin:
1875–80; < Latin catēn(a) a chain + -oid

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World English Dictionary
catenoid (ˈkætəˌnɔɪd)
 
n
the geometrical surface generated by rotating a catenary about its axis

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