paraboloid
[ puh-rab-uh-loid ]
/ pəˈræb əˌlɔɪd /
Save This Word!
noun Geometry.
a surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas.
QUIZZES
THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?
Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?
Compare elliptic paraboloid, hyperbolic paraboloid.
Origin of paraboloid
First recorded in 1650–60; parabol(a) + -oid
OTHER WORDS FROM paraboloid
pa·rab·o·loi·dal [puh-rab-uh-loid-l, par-uh-buh-], /pəˌræb əˈlɔɪd l, ˌpær ə bə-/, adjectiveWords nearby paraboloid
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for paraboloid
British Dictionary definitions for paraboloid
paraboloid
/ (pəˈræbəˌlɔɪd) /
noun
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
Derived forms of paraboloid
paraboloidal, adjectiveCollins 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 paraboloid
paraboloid
[ pə-răb′ə-loid′ ]
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.