Basic Guidelines For English Spellings

READ THESE ARTICLES# Definition of *dual* in English:

## dual

### adjective

1attributive Consisting of two parts, elements, or aspects.

*‘their dual role at work and home’**‘Inexperienced nurses usually remain in orientation for an average of five months - longer if they are expected to function in a dual role.’**‘From the beginning his relationship with her has got this dual element to it.’**‘These critics also recognize the dual aspects of decolonization.’**‘You combine dual aspects by being ambitious professionally and domesticated in the home and family situations.’**‘His current role as executive chairman effectively combines the functions of chief executive and chairman, a dual role which is now frowned upon by institutions.’**‘Rather, he wanted to imitate a different aspect of Moshe: his dual role.’**‘The interesting aspect of this dual soundtrack is that each one presents a noticeably different version of the film.’**‘Now, can I turn to their arguments and address what seem to us to be their dual aspect?’**‘A word must be said about the office of coroner, which too had something of a dual aspect.’**‘It was these dual aspects of perpetuity which were to assume such importance in America.’**‘But Parkinson, a veteran of three title triumphs during the last two decades, has decided to step down altogether, leaving Lowe to perform a dual role this summer as Darwen prepare to defend their crown.’**‘He wants to project that dual role.’**‘Gavin Hamilton and Gary Fellows have dual roles to play.’**‘Byrne said he was hugely impressed by the pupils' enthusiasm and by the various demonstrations and said he was being pragmatic and playing a dual role on the day in hoping to recruit new students for the college.’**‘Pavee's attacking sweeper played a dual role as a tough defender and made sleek wing attacks that resulted in major inroads into Big Players' defense.’**‘I like the notion of a library as a treasure chest, since it operates as a dual metaphor.’**‘Funding dual language immersion programs and transportation programs that shuttle students between school districts can also promote school integration.’**‘Most commonly, acute stabilization of patients with dual disorders refers to the management of physical, psychiatric, or drug toxicity crises.’**‘Hopefully, the elimination of the dual mandate will take care of that.’**‘Foster parents should be willing to commute, be bilingual and have dual nationality.’*

View synonyms**double**, twofold, binary- 1.1Grammar (in some languages) denoting an inflection that refers to exactly two people or things (as distinct from singular and plural)
*‘Old English has dual number for first- and second-person pronouns’**‘Yimas proper distinguishes four numbers in its pronominal paradigm (singular, dual, paucal, and plural) while Yimas Pidgin has only three.’**‘It has dual number, so nouns and verbs must be learned in singular, dual, and plural.’**‘Languages with dual markers have a different plural affix for sets of two than the affix for sets greater than two.’*

- 1.2(in an aircraft) using dual controls.
*‘a dual flight’**‘You might want to consider scheduling an annual dual flight with an experienced instructor to review downwind take-offs and landings.’**‘Schedule periodic dual flights when the crosswind exceeds your comfort level.’**‘It would show the reaction of non flyers being taken on dual flights in incredible scenery.’**‘They arranged to give him a couple more hours of dual instruction.’**‘Anyway, on this particular day I was scheduled for my fourth hour of dual instruction.’*

2often

**dual to**Mathematics

(of a theorem, expression, etc.) related to another by the interchange of particular pairs of terms, such as “point” and “line.”.*‘He had proved that compact abelian groups are dual to discrete abelian groups, and von Neumann was interested in extending this result.’*

### noun

1Grammar

A dual form of a word.- 1.1The dual number.

2Mathematics

A theorem, expression, etc., that is dual to another.*‘In fact this theorem is simply the dual of Pascal's theorem which was proved in 1639.’**‘Because of the demands of differentiability in distribution theory, the spaces of test-functions and their duals are somewhat more complicated.’*

**Origin**

Late Middle English (as a noun denoting either of the two middle incisor teeth in each jaw): from Latin dualis, from duo ‘two’.

**Pronunciation**

Are You Learning English? Here Are Our Top English Tips