hyperboloid

[ hahy-pur-buh-loid ]

nounMathematics.
  1. a quadric surface having a finite center and some of its plane sections hyperbolas. Equation: x2/a2 + y2/b2z2/c2 = 1.

Origin of hyperboloid

1
First recorded in 1720–30; hyperbol(a) + -oid

Other words from hyperboloid

  • hy·per·bo·loi·dal, adjective

Words Nearby hyperboloid

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How to use hyperboloid in a sentence

British Dictionary definitions for hyperboloid

hyperboloid

/ (haɪˈpɜːbəˌlɔɪd) /


noun
  1. a geometric surface consisting of one sheet, or of two sheets separated by a finite distance, whose sections parallel to the three coordinate planes are hyperbolas or ellipses. Equations x ²/ a ² + y ²/ b ² – z ²/ c ² = 1 (one sheet) or x ²/ a ² – y ²/ b ² – z ²/ c ² = 1 (two sheets) where a, b, and c are constants

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for hyperboloid

hyperboloid

[ hī-pûrbə-loid′ ]


  1. 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.

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