Synonym: double, duplicate, twofold. Similar words: gradually, residual, individual, graduate, graduation, undergraduate, squall, equal. Meaning: ['djuːəl] 
adj. 1. consisting of or involving two parts or components usually in pairs 2. having more than one decidedly dissimilar aspects or qualities 3. a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural).
adj. 1. consisting of or involving two parts or components usually in pairs 2. having more than one decidedly dissimilar aspects or qualities 3. a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural). 
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(1) The training airplane has dual controls.
(2) He has dual British and South African nationality.
(3) This room has a dual purpose, serving as both a study and a dining room.
(4) The bridge has a dual role, carrying both road and rail.
(5) The committee has a dual function, both advisory and regulatory.
(6) She has dual nationality .
(7) The road widens out and becomes a dual carriageway.
(8) McGuirk holds dual citizenship in Ireland and the US.
(9) He has dual role as composer and conductor.
(10) The road opened out into a dual carriageway.
(11) Rob may be entitled to dual nationality.
(12) a car with dual control .
(13) She has dual nationality (sentencedict.com/dual.html), of Canada and Britain .
(14) She has a dual role as principal and French teacher.
(15) The government has employed a dual strategy to achieve these two objectives.
(16) The piece of furniture serves a dual purpose as a cupboard and as a table.
(17) By-passing Bangor, leave dual carriageway at exit for Caernarfon.
(18) It fulfils a dual educational purpose.
(19) The motorway petered out into dual carriageway.
(20) It will have a dual function.
(21) Wells will operate from dual headquarters.
(22) The defence establishment is faced with a dual problem.
(23) This is a dual purpose crop.
(24) Their success was founded on a dual strategy.
(25) However, dual citizenship would not be allowed.
(26) As a research project there is a dual attraction.
(27) This dual process of introduction is systematically countered by a dual process of elimination.
(28) Balancing the dual roles of minister to the world and shepherd to his own flock has taken its toll.
(29) Our tester had a center console with deep storage, a dual cupholder and a clipboard holder.
(30) This is a difficult question to deal with partly because of the dual purpose of the entire exercise.
More similar words: gradually, residual, individual, graduate, graduation, undergraduate, squall, equal, actual, annual, casual, sexual, manual, mutual, ritual, usually, visual, unequal, as usual, squalid, sexually, annually, quality, visually, unusual, actually, qualify, virtual, casualty, virtually.