paraboloid
[ puh-rab-uh-loid ]
/ pəˈræb əˌlɔɪd /
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noun Geometry.
a surface that can be put into a position such that its sections parallel to at least one coordinate plane are parabolas.
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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
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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
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