different between dual vs duoplural
dual
English
Alternative forms
- du. (abbreviation, grammar)
Etymology
Borrowed from Latin dualis (“two”), from duo (“two”) + adjective suffix -alis
Pronunciation
- (UK) enPR: dyo?o'?l, djo?o'?l; IPA(key): /?dju?.?l/, /?d?u?.?l/
- (US) enPR: d(y)o?o'?l; IPA(key): /?d(j)u?.?l/
- Rhymes: -??l
- Homophone: duel
Adjective
dual (not comparable)
- Exhibiting duality; characterized by having two (usually equivalent) components.
- Acting as a counterpart.
- Double.
- (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
Synonyms
- (having two components): double, twin; see also Thesaurus:dual
- (double): double, duplicate; see also Thesaurus:twofold
- (category theory): opposite
Derived terms
Translations
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.
- (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.
Translations
See also
- (grammatical numbers) grammatical number; singular, dual, trial, quadral, paucal, plural (Category: en:Grammar)
- unal
- duel
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
Anagrams
- Auld, Daul, Dula, auld, laud, udal
German
Pronunciation
- IPA(key): [du?a?l]
- Hyphenation: du?al
- Rhymes: -a?l
Adjective
dual (not comparable)
- dual
Declension
Further reading
- “dual” in Duden online
Irish
Pronunciation
- IPA(key): /d??u?l?/
Etymology 1
From Old Irish dúal (“tress, lock of hair”), from Proto-Celtic *doklos, from Proto-Indo-European *do?los (compare Icelandic tagl (“horse’s tail”), Old English tæ?l, English tail).
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
Declension
Derived terms
- dualach1
Verb
dual (present analytic dualann, future analytic dualfaidh, verbal noun dualadh, past participle dualta)
- (transitive) twine
- (transitive) braid, coil
- (transitive) interlace, fold
Conjugation
Etymology 2
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Noun
dual m (genitive singular duail, nominative plural duail)
- dowel
- knot (in timber)
- Synonyms: alt, cranra
Declension
Derived terms
- dualach2
- dualbhata
Etymology 3
From Old Irish dúal (“that which belongs or is proper to an individual by nature or descent”), from Proto-Indo-European *d?ewg?-.
Adjective
dual (genitive singular masculine duail, genitive singular feminine duaile, plural duala, comparative duaile)
- native, natural
- proper, fitting
- in the natural order of things
- fated
- possible
Declension
Mutation
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
Adjective
dual m or f (plural duais, comparable)
- dual (having two elements)
Romanian
Etymology
From French duel, from Latin dualis.
Noun
dual n (plural duale)
- (grammar) dual
Declension
Scottish Gaelic
Etymology 1
From Old Irish dúal (“that which belongs or is proper to an individual by nature or descent”), from Proto-Indo-European *d?ewg?-.
Pronunciation
- IPA(key): /t?u???/
Adjective
dual (comparative duaile)
- hereditary
- usual, natural
Noun
dual m (genitive singular duail, plural dualan)
- birthright
- Synonym: còir-bhreith
- due
- something which is natural and/or usual
Derived terms
- bu dual do dh'isean an ròin a dhol chun na mara
Etymology 2
From Old Irish dúal (“tress, lock of hair”), from Proto-Celtic *doklos, from Proto-Indo-European *do?los.
Noun
dual m (genitive singular duail, plural dualan)
- curl, lock of hair
- plait, strand, braid, or fold
- ringlet
Verb
dual (past dhual, future dualidh, verbal noun dualadh, past participle dualte)
- plait, twist
- loop, curl
- fold
- link
Mutation
References
- MacBain, Alexander; Mackay, Eneas (1911) , “dual”, in An Etymological Dictionary of the Gaelic Language, Stirling, ?ISBN, page 145
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
Pronunciation
- Rhymes: -al
Adjective
dual (plural duales)
- dual
- (grammar) dual
dual From the web:
- what dual enrollment
- what duality means
- what dual mean
- what dual sim means
- what dual band router means
- what dually truck is best
- what dual credit classes are there
- what dual enrollment classes to take
duoplural
English
Etymology
duo- +? plural
Adjective
duoplural (not comparable)
- (grammar) Pertaining to grammatical number (as in singular and plural), referring to two or more of something; nonsingular.
Noun
duoplural (plural duoplurals)
- (linguistics, grammar) Duoplural number; the grammatical number of a noun marking two or more of something.
- Languages that employ the duoplural include Navajo and Taos, where the verb shows singular, dual, and plural numbers, but the nouns are marked only as singular or nonsingular (duoplural).
See also
- dual
- paucal
- plural
- quadral
- singular
- singulative
- trial
- unal
Translations
duoplural From the web:
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