Definition of hyperboloid in US English:



  • A solid or surface having plane sections that are hyperbolas, ellipses, or circles.

    • ‘To compare this funny word with something more familiar, a hyperboloid is a two-dimensional pseudosphere.’
    • ‘To calculate atomic volumes, the Voronoi cell procedure using hyperboloid interfaces between atoms was applied.’
    • ‘Out of this work came another of Wren's important mathematical results, namely that the hyperboloid of revolution is a ruled surface.’
    • ‘In the vicinity of point M, we assume that the surface of the hyperboloid is a plane.’
    • ‘In 1826 he generalised his theorem to a hyperboloid of revolution, rather than a cone.’