hyperboloid
a quadric surface having a finite center and some of its plane sections hyperbolas. Equation: x2/a2 + y2/b2 − z2/c2 = 1.
Origin of hyperboloid
1Other words from hyperboloid
- hy·per·bo·loi·dal, adjective
Words Nearby hyperboloid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use hyperboloid in a sentence
At the top it is gathered into a dome in the form of a hyperboloid, pierced near the vertex with an aperture 12 feet in diameter.
Old and New London | Walter ThornburyIn the first case the surface is called an hyperboloid of one sheet, in the second an Hyperbolic Paraboloid.
British Dictionary definitions for hyperboloid
/ (haɪˈpɜːbəˌlɔɪd) /
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
[ hī-pûr′bə-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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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