paraboloid

noun

pa·​rab·​o·​loid pə-ˈra-bə-ˌlȯid How to pronounce paraboloid (audio)
: a surface all of whose intersections by planes are either parabolas and ellipses or parabolas and hyperbolas
paraboloidal adjective

Examples of paraboloid in a Sentence

Recent Examples on the Web So how many places are there where a paraboloid can equal zero? Quanta Magazine, 6 Oct. 2021 Imagine a paraboloid composed of a sequence of parabolas stacked side by side. Quanta Magazine, 6 Oct. 2021 Nearby, 16 stark-white paraboloid beams supported the Metropolitan Cathedral of Brasília like a crown of thorns. Heidi Mitchell, WSJ, 2 Nov. 2018 Kagawa Prefectural Gymnasium Built for the 1964 Olympics, the indoor stadium, a cantilevered hyberbolic paraboloid, is threatened with demolition because of leaks. Ben Ryder Howe, Town & Country, 16 Oct. 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'paraboloid.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

parabola + -oid entry 1

First Known Use

circa 1702, in the meaning defined above

Time Traveler
The first known use of paraboloid was circa 1702

Dictionary Entries Near paraboloid

Cite this Entry

“Paraboloid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/paraboloid. Accessed 18 Apr. 2024.

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