dual

English Thesaurus

1. a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural) (adj.all)

similar	:	plural,
definition	:	grammatical number category referring to two or more items or units (adj.all)

2. consisting of or involving two parts or components usually in pairs (adj.all)

similar	:	multiple, multiple,
definition	:	having or involving or consisting of more than one part or entity or individual (adj.all)

3. a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural) (adj.all)

derivation	:	duality, wave-particle duality,
definition	:	(physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory (noun.attribute)

4. consisting of or involving two parts or components usually in pairs (adj.all)

derivation	:	dichotomy, duality,
definition	:	being twofold; a classification into two opposed parts or subclasses (noun.group)

5. a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural) (adj.all)

derivation	:	duality, wave-particle duality,
definition	:	(physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory (noun.attribute)

6. consisting of or involving two parts or components usually in pairs (adj.all)

derivation	:	dichotomy, duality,
definition	:	being twofold; a classification into two opposed parts or subclasses (noun.group)