Definition of 'dual'
adjective [ADJECTIVE noun]
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers
Video: pronunciation of
dual
Word Frequency
dual in British English
adjective
1.
relating to or denoting two
3.
4. mathematics, 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
5. grammar
a.
the dual number
b.
a dual form of a word
verbWord forms: duals, dualling or dualled
Collins English Dictionary. Copyright © HarperCollins Publishers
Derived forms
dually (ˈdually) adverb
Word origin
C17: from Latin duālis concerning two, from duo two
Word Frequency
dual in American English
adjective
1.
of two
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word Frequency
dual in American English
(ˈduːəl, ˈdjuː-)
adjective
1.
of,
pertaining to, or noting two
2.
composed or consisting of two people,
items, parts, etc., together; twofold; double
dual ownership
dual controls on a plane
noun Grammar
5.
the dual number
6.
a form in the dual, as Old English git “you two,” as
contrasted with
ge “you” referring to three or more
Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019
by Penguin Random House LLC and HarperCollins Publishers Ltd
Derived forms
dually adverb
Word origin
[1535–45; ‹ L duālis containing two, relating to a pair, equiv. to du(o) two + -ālis -al1]Examples of 'dual' in a sentence
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dual
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dual
British English: dual ADJECTIVE
Dual means having two parts, functions, or aspects.
...his dual role as head of the party and head of state.
Nearby words of
dual
Related terms of
dual
Source
Definition of dual from the
Collins English Dictionary
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