【dual】在多语言下的意思、翻译、词源、用法、例句
英语(English)
替代形式(Alternative forms)
- du. (abbreviation, grammar)
词源(Etymology)
Borrowed from Latin dualis (“two”), from duo (“two”) + adjective suffix -alis
发音(Pronunciation)
- (UK) enPR: dyo͞o'əl, djo͞o'əl; IPA(key): /ˈdjuː.əl/, /ˈdʒuː.əl/
- (US) enPR: d(y)o͞o'əl; IPA(key): /ˈd(j)uː.əl/
Audio (UK) - Rhymes: -ʊəl
- Homophone: duel
形容词(Adjective)
dual (not comparable)
- Exhibiting duality; characterized by having two (usually equivalent) components.
- Acting as a counterpart.
- Double.
- a dual-headed computer
- (grammar) Pertaining to grammatical number (as in singular and plural), referring to two of something, such as a pair of shoes, in the context of the singular, plural and, in some languages, trial grammatical number.
- Modern Arabic displays a dual number, as did Homeric Greek.
- (linear algebra) Being the space of all linear functionals of (some other space).
- 2012, Doug Fisher, Hans-J. Lenz, Learning from Data: Artificial Intelligence and Statistics V, Springer Science & Business Media →ISBN, page 81
- Accordingly, a hyperplane in the sample space is dual to a subspace in the variable space.
- 2012, Doug Fisher, Hans-J. Lenz, Learning from Data: Artificial Intelligence and Statistics V, Springer Science & Business Media →ISBN, page 81
- (category theory) Being the dual of some other category; containing the same objects but with source and target reversed for all morphisms.
- 1992, Colin McLarty, Elementary Categories, Elementary Toposes, Clarendon Press →ISBN, page 77
- Every category is dual to its own dual, so if a statement holds in all categories so does its dual.
- 1992, Colin McLarty, Elementary Categories, Elementary Toposes, Clarendon Press →ISBN, page 77
同义词(Synonyms)
- (having two components): double, twin; see also Thesaurus:dual
- (double): double, duplicate; see also Thesaurus:twofold
- (category theory): opposite
衍生词(Derived terms)
翻译(Translations)
- The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout § Translations.
名词(Noun)
dual (plural duals)
- Of an item that is one of a pair, the other item in the pair.
- (geometry) Of a regular polyhedron with V vertices and F faces, the regular polyhedron having F vertices and V faces.
- The octahedron is the dual of the cube.
- (grammar) dual number The grammatical number of a noun marking two of something (as in singular, dual, plural), sometimes referring to two of anything (a couple of, exactly two of), or a chirality-marked pair (as in left and right, as with gloves or shoes) or in some languages as a discourse marker, "between you and me". A few languages display trial number.
- (mathematics) Of a vector in an inner product space, the linear functional corresponding to taking the inner product with that vector. The set of all duals is a vector space called the dual space.
翻译(Translations)
查看更多(See also)
- (grammatical numbers) grammatical number; singular, dual, trial, quadral, paucal, plural (Category: en:Grammar)
- unal
- duel
动词(Verb)
dual (third-person singular simple present duals, present participle (UK) dualling or (US) dualing, simple past and past participle (UK) dualled or (US) dualed)
- (transitive) To convert from single to dual; specifically, to convert a single-carriageway road to a dual carriageway.
- 1994, Great Britain. Parliament. House of Commons, Parliamentary Debates
- I have to declare an interest and I do so with some ambivalence because if the road is dualled it is likely to take half of my front garden.
- 1998, Great Britain. Parliament. House of Commons, Parliamentary Debates
- Way back in 1971, the Government of the day first published plans for a high-capacity road network, which included the dualling of the A47 from King's Lynn to Great Yarmouth.
- 2006, David Lowe, Intermodal Freight Transport, p. 163
- The power generation and propulsion systems are dualled to accommodate component failure and maintain propulsion at reduced speed should any part of one system be lost.
- 1994, Great Britain. Parliament. House of Commons, Parliamentary Debates
变位词(Anagrams)
German
发音(Pronunciation)
形容词(Adjective)
dual (not comparable)
变化形式(Declension)
查看更多(Further reading)
- dual in Duden online
Irish
发音(Pronunciation)
词源1(Etymology 1)
From Old Irish dúal (“tress, lock of hair”), from Proto-Celtic *doklos, from Proto-Indo-European *doḱlos (compare Icelandic tagl (“horse’s tail”), Old English tæġl, English tail).
名词(Noun)
dual m (genitive singular duail, nominative plural duail)
- lock, tress
- Synonyms: dlaoi, dual gruaige
- wisp, tuft
- Synonym: dlaoi
- ply, strand
- twist, twine
- spiral, whirl
变化形式(Declension)
衍生词(Derived terms)
动词(Verb)
dual (present analytic dualann, future analytic dualfaidh, verbal noun dualadh, past participle dualta)
- (transitive) twine
- (transitive) braid, coil
- (transitive) interlace, fold
动词变化形式(Conjugation)
singular | plural | relative | autonomous | ||||||
---|---|---|---|---|---|---|---|---|---|
first | second | third | first | second | third | ||||
indicative | present | dualaim | dualann tú; dualair† |
dualann sé, sí | dualaimid | dualann sibh | dualann siad; dualaid† |
a dhualann; a dhualas / a ndualann*; a ndualas* |
dualtar |
past | dhual mé; dhualas | dhual tú; dhualais | dhual sé, sí | dhualamar; dhual muid | dhual sibh; dhualabhair | dhual siad; dhualadar | a dhual / ar dhual* |
dualadh | |
past habitual | dhualainn / ndualainn‡‡ | dhualtá / ndualtᇇ | dhualadh sé, sí / ndualadh sé, s퇇 | dhualaimis; dhualadh muid / ndualaimis‡‡; ndualadh muid‡‡ | dhualadh sibh / ndualadh sibh‡‡ | dhualaidís; dhualadh siad / ndualaidís‡‡; ndualadh siad‡‡ | a dhualadh / a ndualadh* |
dhualtaí / ndualta퇇 | |
future | dualfaidh mé; dualfad |
dualfaidh tú; dualfair† |
dualfaidh sé, sí | dualfaimid; dualfaidh muid |
dualfaidh sibh | dualfaidh siad; dualfaid† |
a dhualfaidh; a dhualfas / a ndualfaidh*; a ndualfas* |
dualfar | |
conditional | dhualfainn / ndualfainn‡‡ | dhualfá / ndualfᇇ | dhualfadh sé, sí / ndualfadh sé, s퇇 | dhualfaimis; dhualfadh muid / ndualfaimis‡‡; ndualfadh muid‡‡ | dhualfadh sibh / ndualfadh sibh‡‡ | dhualfaidís; dhualfadh siad / ndualfaidís‡‡; ndualfadh siad‡‡ | a dhualfadh / a ndualfadh* |
dhualfaí / ndualfa퇇 | |
subjunctive | present | go nduala mé; go ndualad† |
go nduala tú; go ndualair† |
go nduala sé, sí | go ndualaimid; go nduala muid |
go nduala sibh | go nduala siad; go ndualaid† |
— | go ndualtar |
past | dá ndualainn | dá ndualtá | dá ndualadh sé, sí | dá ndualaimis; dá ndualadh muid |
dá ndualadh sibh | dá ndualaidís; dá ndualadh siad |
— | dá ndualtaí | |
imperative | dualaim | dual | dualadh sé, sí | dualaimis | dualaigí; dualaidh† |
dualaidís | — | dualtar | |
verbal noun | dualadh | ||||||||
past participle | dualta |
* Indirect relative
† Archaic or dialect form
‡‡ Dependent form used with particles that trigger eclipsis
词源2(Etymology 2)
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
名词(Noun)
dual m (genitive singular duail, nominative plural duail)
变化形式(Declension)
衍生词(Derived terms)
- dualach2
- dualbhata
词源3(Etymology 3)
From Old Irish dúal (“that which belongs or is proper to an individual by nature or descent”), from Proto-Indo-European *dʰewgʰ-.
形容词(Adjective)
dual (genitive singular masculine duail, genitive singular feminine duaile, plural duala, comparative duaile)
- native, natural
- Is dual dó a bheith leisciúil. ― He is naturally lazy.
- Ní dual don diabhal bheith díomhaoin.
- No rest for the wicked.
- (literally, “It is not in the devil's nature to be idle.”)
- proper, fitting
- in the natural order of things
- fated
- possible
变化形式(Declension)
Singular | Plural (m/f) | |||
---|---|---|---|---|
Positive | Masculine | Feminine | (strong noun) | (weak noun) |
Nominative | dual | dhual | duala; dhuala² | |
Vocative | dhuail | duala | ||
Genitive | duale | duala | dual | |
Dative | dual; dhual¹ |
dhual; dhuail (archaic) |
duala; dhuala² | |
Comparative | níos duale | |||
Superlative | is duale |
¹ When the preceding noun is lenited and governed by the definite article.
² When the preceding noun ends in a slender consonant.
Mutation
Irish mutation | ||
---|---|---|
Radical | Lenition | Eclipsis |
dual | dhual | ndual |
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. |
查看更多(Further reading)
- "dual" in Foclóir Gaeilge–Béarla, An Gúm, 1977, by Niall Ó Dónaill.
- Gregory Toner, Maire Ní Mhaonaigh, Sharon Arbuthnot, Dagmar Wodtko, Maire-Luise Theuerkauf, editors (2019) , “1 dúal”, in eDIL: Electronic Dictionary of the Irish Language
- Gregory Toner, Maire Ní Mhaonaigh, Sharon Arbuthnot, Dagmar Wodtko, Maire-Luise Theuerkauf, editors (2019) , “2 dúal”, in eDIL: Electronic Dictionary of the Irish Language
- Entries containing “dual” in English-Irish Dictionary, An Gúm, 1959, by Tomás de Bhaldraithe.
- Entries containing “dual” in New English-Irish Dictionary by Foras na Gaeilge.
Portuguese
形容词(Adjective)
dual m or f (plural duais, comparable)
- dual (having two elements)
Scottish Gaelic
词源1(Etymology 1)
From Old Irish dúal (“that which belongs or is proper to an individual by nature or descent”), from Proto-Indo-European *dʰewgʰ-.
发音(Pronunciation)
形容词(Adjective)
dual (comparative duaile)
- hereditary
- usual, natural
- 'S dual do phoileasman a bhith amharasach. ― It's natural for a policeman to be suspicious.
名词(Noun)
dual m (genitive singular duail, plural dualan)
- birthright
- Synonym: còir-bhreith
- due
- something which is natural and/or usual
衍生词(Derived terms)
词源2(Etymology 2)
From Old Irish dúal (“tress, lock of hair”), from Proto-Celtic *doklos, from Proto-Indo-European *doḱlos.
名词(Noun)
dual m (genitive singular duail, plural dualan)
动词(Verb)
dual (past dhual, future dualidh, verbal noun dualadh, past participle dualte)
Mutation
Scottish Gaelic mutation | |
---|---|
Radical | Lenition |
dual | dhual |
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. |
来源参考(References)
- MacBain, Alexander; Mackay, Eneas (1911) , “dual”, in An Etymological Dictionary of the Gaelic Language, Stirling, →ISBN, page 145
查看更多(Further reading)
- Gregory Toner, Maire Ní Mhaonaigh, Sharon Arbuthnot, Dagmar Wodtko, Maire-Luise Theuerkauf, editors (2019) , “1 dúal”, in eDIL: Electronic Dictionary of the Irish Language
- Gregory Toner, Maire Ní Mhaonaigh, Sharon Arbuthnot, Dagmar Wodtko, Maire-Luise Theuerkauf, editors (2019) , “2 dúal”, in eDIL: Electronic Dictionary of the Irish Language
Spanish
发音(Pronunciation)
- Rhymes: -al
形容词(Adjective)
dual (plural duales)
- English terms borrowed from Latin
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- English 2-syllable words
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- en:Grammar
- en:Linear algebra
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- English nouns
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- en:Two
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- es:Grammar