dual
Definition from Wiktionary, the free dictionary
Contents |
English [edit]
Etymology [edit]
Latin dualis (“two”), from duo (“two”), + adjective suffix -alis
Pronunciation [edit]
- (UK) enPR: dyo͝oəl, IPA: /djʊəl/, X-SAMPA: /djU@l/
- (US) enPR: do͞o'əl, IPA: /ˈdu.əl/, X-SAMPA: /"du.@l/
- Rhymes: -ʊəl
- Homophone: duel
Adjective [edit]
dual (not comparable)
- Characterized by having two (usually equivalent) components.
- Double.
- 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) This word needs a definition. Please help out and add a definition, then remove the text
{{rfdef}}. - (category theory) This word needs a definition. Please help out and add a definition, then remove the text
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Derived terms [edit]
Translations [edit]
having two components
double
in grammar
- 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 Help:How to check translations.
Translations to be checked
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Noun [edit]
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.
See also [edit]
- (grammatical numbers) grammatical number; singular, dual, trial, quadral, paucal, plural (Category: en:Grammar)
- unal
- duel
Translations [edit]
grammatical number of a noun marking two of something
Anagrams [edit]
Irish [edit]
Pronunciation [edit]
- IPA: [d̪ˠuəl̪ˠ]
Etymology 1 [edit]
From Old Irish dúal (“tress, lock of hair”), from Proto-Celtic *doklo-, from Proto-Indo-European *dok̑-lo- (compare Icelandic tagl (“horse's tail”), Old English tægel, English tail).
Noun [edit]
dual m (genitive duail, nominative plural duail)
Declension [edit]
Declension of dual
Synonyms [edit]
- dlaoi (“wisp, tuft; lock, tress”)
- dual gruaige (“lock of hair”)
Derived terms [edit]
Verb [edit]
dual (present analytic dualann, future analytic dualfaidh, verbal noun dualadh, past participle dualta)
Conjugation [edit]
First Conjugation (A)
| singular | plural | autonomous | |||||||
|---|---|---|---|---|---|---|---|---|---|
| first | second | third | first | second | third | ||||
| indicative | present | dualaim | dualann tú; dualair† |
dualann sé, sí | dualaimid | dualann sibh | dualann siad; dualaid† |
dualtar | |
| past | dhual mé; dhualas† |
dhual tú; dhualais† |
dhual sé, sí | dhualamar | dhual sibh; dhualabhair† |
dhual siad; dhualadar† |
dualadh | ||
| future | dualfaidh mé; dualfad† |
dualfaidh tú; dualfair† |
dualfaidh sé, sí | dualfaimid; dualfam† |
dualfaidh sibh | dualfaidh siad; dualfaid† |
dualfar | ||
| past habitual | dhualainn | dhualtá | dhualadh sé, sí | dhualaimis | dhualadh sibh | dhualaidís | dhualtaí | ||
| imperative | dualaim | dual | dualadh sé, sí | dualaimis | dualaigí | dualaidís | dualtar | ||
| conditional | dhualfainn | dhualfá | dhualfadh sé, sí | dhualfaimis | dhualfadh sibh | dhualfaidís | dhualfaí | ||
| subjunctive | present | duala mé; dualad† |
duala tú; dualair† |
duala sé, sí | dualaimid | duala sibh | duala siad; dualaid† |
dualtar | |
| past | dualainn | dualtá | dualadh sé, sí | dualaimis | dualadh sibh | dualaidís | dualtaí | ||
| verbal noun | dualadh | ||||||||
| past participle | dualta | ||||||||
† Dialect form
Etymology 2 [edit]
Noun [edit]
dual m (genitive duail, nominative plural duail)
Declension [edit]
Declension of dual
Synonyms [edit]
Derived terms [edit]
Etymology 3 [edit]
Adjective [edit]
dual
- native, natural
- Is dual dó a bheith leisciúil. — He is naturally lazy.
- proper, fitting
- in the natural order of things
- fated
- possible
Declension [edit]
Declension of dual
Mutation [edit]
| 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. |
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Scottish Gaelic [edit]
Noun [edit]
dual m (genitive duail, plural dualan)
Synonyms [edit]
Derived terms [edit]
Spanish [edit]
Adjective [edit]
dual m and f (plural duales)
Categories:
- English terms derived from Latin
- English terms with homophones
- English adjectives
- English uncomparable adjectives
- en:Grammar
- en:Linear algebra
- en:Category theory
- English nouns
- English countable nouns
- en:Geometry
- en:Mathematics
- en:Two
- Irish terms derived from Old Irish
- Irish terms derived from Proto-Celtic
- Irish terms derived from Proto-Indo-European
- Irish nouns
- Irish verbs
- Irish adjectives
- Scottish Gaelic nouns
- Spanish adjectives
- es:Grammar