- 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.
- 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
Examples from the Web for dual
Hossein Darakhshan, born in Tehran on January 7, 1975, has dual Canadian-Iranian nationality.Iran’s Blogfather Walks Free After Six Years in Jail
November 21, 2014
The dual message was that black people were dirty and dangerous.Racism Is White America’s HIV
August 3, 2014
These dual complaints have made for some strange bedfellows.Glenn Beck’s Anti-Common Core Kumbaya Moment
July 23, 2014
There has been very little mourning of this dual scalping, just a sense of inevitability.Is There Life Left in ‘The View’?
June 28, 2014
Al-Huthaili is a dual citizen of the U.S. and Saudi Arabia and the two countries are not bound by a bilateral extradition treaty.Saudi Beauty Says She Robbed Banks for Her Mafia Lover
May 10, 2014
His was the case of a dual personality of conflicting inheritance.City of Endless Night
The cell was a dual cave, dug into the hillside, and in it Hilary had been buried.Father Sergius
But because of the dual constitution of things, in labor as in life there can be no cheating.Essays, First Series
Ralph Waldo Emerson
There was no more boost and he longed for the dual supercharger.A Yankee Flier Over Berlin
These movements may be taken also with dual and with quadruple rhythm.
- 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
- the dual number
- a dual form of a word
- (tr) British to make (a road) into a dual carriageway
Word Origin and History for dual
c.1600, from Latin dualis, from duo "two" (see two). Related: Dually.