torus

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torus

  • /ˈtɔː.ɹəs/ UK
  • /toʊ̯ɹəs/ Canada, US
  • /ˈtɔ.ɹəs/ Canada, US
  • /ˈtoː.ɹəs/ Australia, New Zealand

Sounds like Taurus (horse–hoarse merger) · Rhymes with -ɔːɹəs

Where it comes from

Borrowed from Latin torus (“a round, swelling, elevation, protuberance”).

noun tori · toruses

  1. A topological space which is a product of two circles. A 4-variable Karnaugh map can be thought of, topologically, as being a torus.

    Similar: toroid

  2. in compounds, usually The product of the specified number of circles.

    Similar: toroid

  3. A ring-shaped object, especially a large ring-shaped chamber used in physical research.

    Similar: toroid

  4. A large convex molding, typically semicircular in cross section, which commonly projects at the base of a column and above the plinth.
  5. A rounded ridge of bone or muscle, especially one on the occipital bone. While there is a hereditary component to tori, this does not explain all cases. Tori tend to appear more frequently during middle age of life; the torus palatinus is more commonly observed in females, but this is not the case with the torus mandibularis. Certain ethnic groups are more prone to one t
  6. The end of the peduncle or flower stalk to which the floral parts (or in the Asteraceae, the florets of a flower head) are attached.

    Similar: receptacle, thalamus

  7. The thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity.

Translations

Every language

noun shape in 3-dimensional Euclidean space

Españoltoro
한국어원환면 wonhwanmyeon
日本語トーラス tōrasu
中文環面 /环面 huánmiàn
Portuguêstoro
Françaistore
DeutschTorus
Italianotoro
Ελληνικάτόρος tóros
Românător
Русскийтор tor
Tiếng Việtkhối xuyến
العربيةطَارَة ṭāra
עבריתטורוס torus

noun topological space

Españoltoro
日本語トーラス tōrasu
中文環面 /环面 huánmiàn
Françaistore
Русскийтор tor

noun convex molding

Françaistore
DeutschWulst
Italianotoro

noun receptacle

中文花托 huātuō

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Cite this
MLA

"torus." Wiktionary, via Micwyn, micwyn.com/word/torus. Accessed 6 Nov. 2026.

APA

torus. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/torus

Chicago

"torus." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/torus.

BibTeX
@misc{torus_2026,
  title = {torus},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/torus},
  urldate = {2026-11-06}
}