- 1 [attributive] Consisting of two parts, elements, or aspects: their dual role at work and home dual-language texts in English and ItalianMore example sentences
- 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.
- 1.1 Grammar (In some languages) denoting an inflection that refers to exactly two people or things (as distinct from singular and plural).More example sentences
- 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 flightMore example sentences
- 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.
- 2 (often dual to) Mathematics (Of a theorem, expression, etc.) related to another by the interchange of particular pairs of terms, such as ‘point’ and ‘line’.More example sentences
- He had proved that compact abelian groups are dual to discrete abelian groups, and von Neumann was interested in extending this result.
nounBack to top
- 2 Mathematics A theorem, expression, etc., that is dual to another.More example sentences
- 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.
verb (duals, dualling, dualled)[with object] British Back to top
- Convert (a road) into a dual carriageway: though there are no plans to dual the road, a public consultation on the A64 is set to start before the end of the yearMore example sentences
- The answer is to double the capacity of the single carriageway, so the outer ring road is dualled all the way around.
- But the major issue on the lips of many motorists, that of dualling the road, is not being addressed by Highways Agency chiefs.
- Firstly, that it will have an effect on the Rillington bypass if the road is fully dualled and that will be a further setback for the people of Rillington.
dualize (also dualise)
- More example sentences
- ‘The smart chip is dually engineered to prematurely register ink depletion and to render a cartridge unusable through the use of a built-in expiration date that is not revealed to the consumer,’ the suit said.
- And the men in Almodóvar's films are dually endowed with ‘feminine’ and ‘masculine’ characteristics.
- Specialized 12-step groups for persons dually diagnosed with substance abuse and mental health disorders also appear to be useful in encouraging abstinence and adherence to psychiatric medication.
late Middle English (as a noun denoting either of the two middle incisor teeth in each jaw): from Latin dualis, from duo 'two'.