Definition of catenoid in US English:

catenoid

noun

Geometry
  • The surface generated by rotating a catenary about its horizontal axis.

    • ‘The bidenoid is a well-controlled modification of the catenoid by Hermann Karcher.’
    • ‘The catenoid is a minimal surface with ‘too much’ negative curvature.’
    • ‘Soap bubbles and cell membranes are often catenoids, and molecules may knit together to form helicoid surfaces, emblems of stable energy states.’
    • ‘Again, branched catenoids can exist only if an upper limit for the distance of neighbouring nets is not exceeded.’
    • ‘These catenoids are the first explicitly known discrete minimal surfaces besides the trivial plane.’

Origin

Late 19th century: from Latin catena ‘chain’ + -oid.

Pronunciation

catenoid

/ˈkatəˌnoid/