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pseudosphere

[soo-duh-sfeer] /ˈsu dəˌsfɪər/
noun, Geometry
1.
a surface generated by revolving a tractrix about its asymptote.
Origin
1885-1890
1885-90; pseudo- + sphere
Related forms
pseudospherical
[soo-duh-sfer-i-kuh l, -sfeer-] /ˌsu dəˈsfɛr ɪ kəl, -ˈsfɪər-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for pseudosphere
  • It's a pseudosphere, the topological inverse of a normal sphere.

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