toroid

noun
to·​roid | \ ˈtȯr-ˌȯid How to pronounce toroid (audio) \

Definition of toroid

1 : a surface generated by a closed plane curve rotated about a line that lies in the same plane as the curve but does not intersect it
2 : a body whose surface has the form of a toroid

Examples of toroid in a Sentence

Recent Examples on the Web So, although the vacuum vessel is still basically a toroid, the magnets that loop around the tube are not planar. Chris Lee, Ars Technica, 9 June 2017

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

First Known Use of toroid

1886, in the meaning defined at sense 1

History and Etymology for toroid

New Latin torus

Learn More About toroid

Dictionary Entries Near toroid

toro bravo

toroid

toroidal

See More Nearby Entries 

Statistics for toroid

Cite this Entry

“Toroid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/toroid. Accessed 26 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Name That Food

  • a-light
  • Name these cookies!
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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