torus
See also: Torus
English
Etymology
Borrowed from Latin torus (“a round, swelling, elevation, protuberance”).
Pronunciation
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Noun
torus (plural tori or toruses)
- (geometry) 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).
- Hypernym: toroid
- (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.
- Hyponym: solid torus
- A ring-shaped object, especially a large ring-shaped chamber used in physical research.
- (architecture) A large convex molding, typically semicircular in cross section, which commonly projects at the base of a column and above the plinth.
- (anatomy) A rounded ridge of bone or muscle, especially one on the occipital bone.
- (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.
- Synonyms: receptacle, thalamus
- (botany) The thickening of a membrane closing a wood-cell pit (as of gymnosperm tracheids) having the secondary cell wall arched over the pit cavity.
Derived terms
Related terms
Translations
shape in 3-dimensional Euclidean space
|
topological space
in combination, product of circles
convex molding
receptacle
|
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
See also
References
- “torus”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
- “torus”, in Merriam-Webster Online Dictionary, Springfield, Mass.: Merriam-Webster, 1996–present.
Anagrams
Dutch
Etymology
Pronunciation
Hyphenation: to‧rus
Noun
torus m (plural torussen, diminutive torusje n)
Finnish
Etymology 1
Pronunciation
- IPA(key): /ˈtorus/, [ˈt̪o̞rus̠]
- IPA(key): /ˈtoːrus/, [ˈt̪o̞ːrus̠] (proscribed)
- Rhymes: -orus
- Syllabification(key): to‧rus
Noun
torus
Declension
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 | |
abessive | toruksetta | toruksitta | |
instructive | — | toruksin | |
comitative | See the possessive forms below. |
Etymology 2
Pronunciation
Verb
torus
- (deprecated template usage) second-person singular present imperative of torua (with the suffix -s)
Anagrams
Latin
Alternative forms
Etymology
From Proto-Indo-European *sterh₃-.
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Pronunciation
- (Classical Latin) IPA(key): /ˈto.rus/, [ˈt̪ɔrʊs̠]
- (modern Italianate Ecclesiastical) IPA(key): /ˈto.rus/, [ˈt̪ɔːrus]
Noun
torus m (genitive torī); second declension
- round, swelling, bulging place; elevation, protuberance
- bulge, knot
- (zootomy, usually poetic) muscular or fleshly part, muscle, brawn of an animal bodies
- (transferred sense, botany) bulge, thickness of trees
- raised ornament, knot on a garland
- (usually poetic) bolster, cushion; bed, couch, sofa
- marriage bed
- (transferred sense, figuratively) marriage (sometimes any sexual relationship)
- Synonym: thalamus
- marriage bed
- embankment, elevation of earth
- (architecture) large round molding at the base of a column
Inflection
Second-declension noun.
Case | Singular | Plural |
---|---|---|
Nominative | torus | torī |
Genitive | torī | torōrum |
Dative | torō | torīs |
Accusative | torum | torōs |
Ablative | torō | torīs |
Vocative | tore | torī |
Derived terms
Descendants
- REDIRECT Template:descendants-top
- Asturian: tueru
- → English: torus
- French: toron, tore (borrowed)
- → Galician: toro
- → Portuguese: toro
- → Spanish: toro, tuero
#REDIRECT Template:descendants-bottom
References
- “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 Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
- “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
Anagrams
Swedish
Noun
torus c
- (geometry, 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
Declension of torus | ||||
---|---|---|---|---|
Singular | Plural | |||
Indefinite | Definite | Indefinite | Definite | |
Nominative | torus | torusen | torusar | torusarna |
Genitive | torus | torusens | torusars | torusarnas |
Related terms
Anagrams
Categories:
- English terms borrowed from Latin
- English terms derived from Latin
- English 2-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- Rhymes:English/ɔːɹəs
- Rhymes:English/ɔːɹəs/2 syllables
- English lemmas
- English nouns
- English countable nouns
- English nouns with irregular plurals
- en:Geometry
- en:Surfaces
- en:Topology
- English terms with usage examples
- en:Architecture
- en:Anatomy
- en:Botany
- Dutch terms derived from Latin
- Dutch lemmas
- Dutch nouns
- Dutch nouns with plural in -en
- Dutch masculine nouns
- nl:Geometry
- Finnish terms derived from Latin
- Finnish 2-syllable words
- Finnish terms with IPA pronunciation
- Rhymes:Finnish/orus
- Rhymes:Finnish/orus/2 syllables
- Finnish lemmas
- Finnish nouns
- fi:Geometry
- fi:Topology
- Finnish vastaus-type nominals
- Finnish non-lemma forms
- Finnish verb forms
- Latin terms derived from Proto-Indo-European
- Latin 2-syllable words
- Latin terms with IPA pronunciation
- Latin lemmas
- Latin nouns
- Latin second declension nouns
- Latin masculine nouns in the second declension
- Latin masculine nouns
- la:Animal body parts
- Latin poetic terms
- Latin terms with transferred senses
- la:Botany
- Latin terms with quotations
- la:Architecture
- Candidates for speedy deletion
- Swedish lemmas
- Swedish nouns
- Swedish common-gender nouns
- sv:Geometry
- sv:Topology