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pseudosphere

American

[soo-duh-sfeer] / ˈsu dəˌsfɪər /

noun

Geometry.

a surface generated by revolving a tractrix about its asymptote.

Other Word Forms

pseudospherical

adjective

Etymology

Origin of pseudosphere

First recorded in 1885–90; pseudo- + sphere

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.