to·​roi·​dal tȯ-ˈrȯi-dᵊl How to pronounce toroidal (audio)
: of, relating to, or shaped like a torus or toroid : doughnut-shaped
a toroidal resistance coil
toroidally adverb

Examples of toroidal in a Sentence

Recent Examples on the Web The issue seems to be that the antenna does not, as stated, give full spherical coverage, but more of a toroidal or donut shape. David Hambling, Forbes, 22 Feb. 2024 Each of Sparc’s 18 toroidal field magnets will be built on top of a similar work fixture. IEEE Spectrum, 15 July 2023 Two types of aerospike engines—toroidal and linear—differ in shape (as their names suggest), but fundamentally work in the same way. Darren Orf, Popular Mechanics, 3 June 2023 What gravity in a toroidal universe does is to cause the modulus to evolve in time. Steven Carlip, Scientific American, 1 Dec. 2015 Yet the topology is toroidal. Steven Carlip, Scientific American, 1 Dec. 2015 An artist’s concept of a toroidal space colony that could accommodate 10,000 people. David Warmflash, Discover Magazine, 10 Aug. 2016 Flames and gases flowed rapidly out of the ruptured area, spreading flames into the toroidal space between the Command Module pressure vessel and heat shield, through access hatches and into levels A-8 and A-7 of the service structure. Amy Shira Teitel, Discover Magazine, 12 Oct. 2018 In fact, last week Candida Bowtell and Peter Keevash of the University of Oxford used similar ideas to find an analogous solution for the toroidal n-queens problem. Quanta Magazine, 21 Sep. 2021

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

Word History

First Known Use

1881, in the meaning defined above

Time Traveler
The first known use of toroidal was in 1881

Dictionary Entries Near toroidal

Cite this Entry

“Toroidal.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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