English Explanatory Dictionary

torus

English dictionary entry

Meanings

noun
  1. The standard representation of such a space in 3-dimensional Euclidean space: a surface or solid formed by rotating a closed curve, especially a circle, about a line which lies in the same plane but does not intersect it (e.g. like a ring doughnut).
  2. A topological space which is a product of two circles.
  3. The product of the specified number of circles.
  4. A ring-shaped object, especially a large ring-shaped chamber used in physical research.
  5. A large convex molding, typically semicircular in cross section, which commonly projects at the base of a column and above the plinth.
  6. A rounded ridge of bone or muscle, especially one on the occipital bone.
  7. 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.
  8. The thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity.

Pronunciation

/ˈtɔː.ɹəs/ /toʊ̯ɹəs/ /ˈtɔ.ɹəs/ en-us-torus.ogg /ˈtoː.ɹəs/ en-au-torus.ogg

Word forms

torus tori toruses

Etymology

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

Synonyms

toroid receptacle thalamus

Related words

torus tubarius annulus hoop

Derived words

de Bruijn torus hypertorus keratotorus nanotorus polytorus subtorus supertorus toric toroid

Translations

Albanian: torusi Arabic: طَارَة Basque: toru Belarusian: тор Bulgarian: тор Catalan: tor Chinese Mandarin: 環面 /环面 Czech: torus Danish: torus Dutch: torus Esperanto: toro Estonian: toor Finnish: torus French: tore Galician: toro German: Torus Greek: τόρος Hebrew: טורוס Hungarian: tórusz Ido: toro Italian: toro Japanese: トーラス Korean: 원환면 Latvian: tors Lithuanian: toras Macedonian: тор Māori: tarawhiti Norwegian Bokmål: torus Norwegian Nynorsk: torus Polish: torus Polish: armila Portuguese: toro Romanian: tor Russian: тор Serbo-Croatian: торус Serbo-Croatian: torus Slovak: torus Slovene: torus Spanish: toro Swedish: torus Turkish: simit Ukrainian: тор
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