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hyperboloid

   Also found in: Wikipedia 0.02 sec.
hy·per·bo·loid  (h-pûrb-loid)
n.
Either of two quadric surfaces generated by rotating a hyperbola about either of its main axes and having a finite center with certain plane sections that are hyperbolas and others that are ellipses or circles.
hy·perbo·loidal (-loidl) adj.
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hyperboloid
top: hyperboloid of one-sheet
bottom: hyperboloid of two-sheets
hyperboloid  (h-pûrb-loid)
Either of two surfaces generated by rotating a hyperbola about either of its main axes and having a finite center, with certain plane sections that are hyperbolas and others that are ellipses or circles.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.hyperboloidhyperboloid - a quadric surface generated by rotating a hyperbola around its main axis
quadric, quadric surface - a curve or surface whose equation (in Cartesian coordinates) is of the second degree


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He asked himself whether it would be possible to close up the folded hyperboloid into a full torus.
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