the surface generated by rotating a catenary about its axis of symmetry.
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How to use catenoid in a sentence
The only surface of revolution having this property is the catenoid formed by the revolution of a catenary about its directrix.
I called one of the bubble forms, if you remember, by its name, catenoid; this is produced when there is no pressure.Soap-Bubbles | C. V. Boys
We shall notice only two of them, the cylinder and the catenoid.
British Dictionary definitions for catenoid
the geometrical surface generated by rotating a catenary about its axis
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012