dual
[ doo-uh l, dyoo- ]
/ ˈdu əl, ˈdyu- /
adjective
of, relating to, or noting two.
composed or consisting of two people, items, parts, etc., together; twofold; double: dual ownership; dual controls on a plane.
having a twofold, or double, character or nature.
Grammar.
being or pertaining to a member of the category of number, as in Old English, Old Russian, or Arabic, that denotes two of the things in question.
noun Grammar.
the dual number.
a form in the dual, as Old English git “you two,” as contrasted with ge “you” referring to three or more.
Origin of dual
OTHER WORDS FROM dual
du·al·ly, adverbWORDS THAT MAY BE CONFUSED WITH dual
dual duelWords nearby dual
Example sentences from the Web for dual
British Dictionary definitions for dual
dual
/ (ˈdjuːəl) /
adjective
relating to or denoting two
twofold; double
(in the grammar of Old English, Ancient Greek, and certain other languages) denoting a form of a word indicating that exactly two referents are being referred to
maths logic
(of structures or expressions) having the property that the interchange of certain pairs of terms, and usually the distribution of negation, yields equivalent structures or expressions
noun
grammar
- the dual number
- a dual form of a word
verb duals, dualling or dualled
(tr) British
to make (a road) into a dual carriageway
Derived forms of dual
dually, adverbWord Origin for dual
C17: from Latin
duālis concerning two, from
duo two