to·​roi·​dal | \ tȯ-ˈrȯi-dᵊl How to pronounce toroidal (audio) \

Definition of toroidal

: of, relating to, or shaped like a torus or toroid : doughnut-shaped a toroidal resistance coil

Keep scrolling for more

Other Words from toroidal

toroidally \ tȯ-​ˈrȯi-​dᵊl-​ē How to pronounce toroidal (audio) \ adverb

Examples of toroidal in a Sentence

Recent Examples on the Web The lugs themselves have a toroidal shape, meaning they are curved so that a high point on the lug is what butts against the inside of the chamber of the barrel. John B. Snow, Outdoor Life, "Gun Test: The American Rifle Company Nucleus Gen2," 12 Nov. 2020 Axiom’s modules may be spherical or toroidal, and the diameter of each one could be up to three times larger than a conventional hard-shell model. Daniel Oberhaus, Wired, "What Comes After the International Space Station?," 27 Oct. 2020 The first 310-tonne toroidal field coil (from Japan) and the first 440-tonne vacuum vessel sector (from Korea) are among the special deliveries expected in Saint-Paul-lès-Durance in 2019. Giulia Pacchioni, Scientific American, "The Road to Fusion," 26 Aug. 2019 The diamond tips of the DACs used by Loubeyre's team were toroidal, a new design developed in 2018 that allowed for greater high-pressure limits. David Grossman, Popular Mechanics, "Scientists Say They've Finally Made Metallic Hydrogen," 26 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'toroidal.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of toroidal

1881, in the meaning defined above

Keep scrolling for more

Learn More about toroidal

Time Traveler for toroidal

Time Traveler

The first known use of toroidal was in 1881

See more words from the same year

Statistics for toroidal

Cite this Entry

“Toroidal.” Dictionary, Merriam-Webster, Accessed 7 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Comments on toroidal

What made you want to look up toroidal? Please tell us where you read or heard it (including the quote, if possible).


Test Your Vocabulary

Who Knew?

Name That Thing

Test your visual vocabulary with our 10-question challenge!


Anagram puzzles meet word search.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!