- a surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas.
Origin of paraboloid
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for paraboloid
In this case, therefore, we shall obtain three paraboloid boundary curves, as shown in Fig. 93.The Phase Rule and Its Applications
Behind this was a curious, paraboloid projector made up of hundreds of tiny, carefully orientated coils.The Ultimate Weapon
John Wood Campbell
Also, the form of cambered surface should be a paraboloid—not arc or arc of circles.The Theory and Practice of Model Aeroplaning
V. E. Johnson
If it lies at the infinity, the plane at infinity is a tangent plane, and the surface is called a paraboloid.
The Silky Epeira also has all the elbow-room she needs; and her paraboloid is not without elegance.The Life of the Spider
J. Henri Fabre
- a geometric surface whose sections parallel to two coordinate planes are parabolic and whose sections parallel to the third plane are either elliptical or hyperbolic. Equations x ²/ a ² ± y ²/ b ² = 2 cz
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
- A surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.