torus

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English[edit]

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A geometrical torus

Etymology[edit]

From Latin torus (swelling, protuberance).

Pronunciation[edit]

Noun[edit]

torus (plural tori or toruses)

  1. (topology) A topological space which is a product of two circles.
    A 4-variable Karnaugh map can be thought of, topologically, as being a torus.
  2. (mathematics) The standard representation of such a space in 3-dimensional Euclidean space: a shape consisting of a ring with a circular cross-section: the shape of an inner tube or hollow doughnut.
  3. (topology, in combination, n-torus, 4-torus, etc.) The product of the specified number of circles.
  4. (architecture) A molding which projects at the base of a column and above the plinth.
  5. (botany) 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; receptacle, thalamus.

Derived terms[edit]

Translations[edit]

See also[edit]

Anagrams[edit]


Finnish[edit]

Etymology 1[edit]

Noun[edit]

torus

  1. (topology) torus
Declension[edit]
Inflection of torus (Kotus type 39/vastaus, no gradation)
nominative torus torukset
genitive toruksen torusten
toruksien
partitive torusta toruksia
illative torukseen toruksiin
singular plural
nominative torus torukset
accusative nom. torus torukset
gen. toruksen
genitive toruksen torusten
toruksien
partitive torusta toruksia
inessive toruksessa toruksissa
elative toruksesta toruksista
illative torukseen toruksiin
adessive toruksella toruksilla
ablative torukselta toruksilta
allative torukselle toruksille
essive toruksena toruksina
translative torukseksi toruksiksi
instructive toruksin
abessive toruksetta toruksitta
comitative toruksineen

Etymology 2[edit]

Verb[edit]

torus

  1. Second-person singular imperative present form of torua + the suffix -s.

Anagrams[edit]


Latin[edit]

Etymology[edit]

From Proto-Indo-European *sterh₃-.

Alternative forms[edit]

Pronunciation[edit]

Noun[edit]

torus m (genitive torī); second declension

  1. a swelling, protuberance, bulge, knot
  2. the muscular part of an animal
  3. raised ornament on a garland
  4. bolster, cushion
  5. (by extension) bed, couch
  6. embankment, an elevation of earth
  7. (architecture) large round molding at the base of a column

Inflection[edit]

Second declension.

Case Singular Plural
nominative torus torī
genitive torī torōrum
dative torō torīs
accusative torum torōs
ablative torō torīs
vocative tore torī

Derived terms[edit]

Descendants[edit]

References[edit]

  • torus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • torus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • torus” in Félix Gaffiot’s Dictionnaire Illustré Latin-Français, Hachette (1934)
  • torus in The Perseus Project (1999) Perseus Encyclopedia[1]
  • torus in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
  • torus in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin

Swedish[edit]

Noun[edit]

torus c

  1. (topology) torus; a shape consisting of a ring, or an object of the same topology residing in a space of higher dimension; especially considered as a Cartesian product of two circles in a four-dimensional space

Declension[edit]

Declension of torus 
Singular Plural
Indefinite Definite Indefinite Definite
Nominative torus torusen torusar torusarna
Genitive torus torusens torusars torusarnas

Related terms[edit]