Word.ws English Dictionary

Plural of torus

irregular plural

The plural of torus is tori or toruses.

Forms of torus

Singulartorus /ˈtɔː.ɹəs/
Pluraltori /ˈtɔ.ɹaɪ/
toruses
Countablecountable

Tori and toruses in a sentence

  • While there is a hereditary component to tori, this does not explain all cases.2010 March, Andrés S. García-García, José-María Martínez-González, Rafael Gómez-Font, Ángeles Soto-Rivadeneira, Lucia Oviedo-Roldán...
  • Tori had to readjust her bikini top when it became dislodged after a dive into the water.From the entry bikini top
  • A consimilar result about families of complex tori is also obtained.2015, Rodion N. Déev, “Upon the fibrations with hyperkähler fibers”, in arXiv. From the entry consimilar
  • “Tori & Dean” (which begins anew on Tuesday) is itself an exercise in controversion, as Ms.2009 May 26, Ginia Bellafante, “Examined Lives: So Many Camera Crews, So Little Time”, in New York Times. From the entry controversion
  • There was a young deshi (fledgling sumōtori) looking up at the oyakata with a terrified face.1998, “Arena”, in Look Japan, volume 44, Tokyo: Look Japan, Ltd., →ISSN, →OCLC, page 32, column 2. From the entry sumōtori

Meaning of torus

  1. noun A topological space which is a product of two circles.
  2. noun The product of the specified number of circles.
  3. noun A ring-shaped object, especially a large ring-shaped chamber used in physical research.

Full definition of torus

Nouns ending in -us: plural -i

Questions about the plural of torus

What is the plural of torus?
The plural of torus is tori or toruses.
Which is correct, tori or toruses?
Both are used. tori is the more common of the two in English writing.
Is torus countable?
Torus is a countable noun.

Source and license

Adapted from Wiktionary: torus (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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Cite this page: “Plural of torus.” Word.ws, https://word.ws/plural/torus. Based on Wiktionary, CC BY-SA 4.0.