Definition of Dual

1. Adjective. Consisting of or involving two parts or components usually in pairs. "Duple (or double) time consists of two (or a multiple of two) beats to a measure"

Exact synonyms: Double, Duple
Similar to: Multiple
Derivative terms: Duality

2. Adjective. Having more than one decidedly dissimilar aspects or qualities. "Every episode has its double and treble meaning"
Exact synonyms: Double, Three-fold, Threefold, Treble, Two-fold, Twofold
Similar to: Multiple

3. Adjective. A grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural). "Ancient Greek had the dual form but it has merged with the plural form in modern Greek"
Similar to: Plural
Derivative terms: Duality

Definition of Dual

1. a. Expressing, or consisting of, the number two; belonging to two; as, the dual number of nouns, etc. , in Greek.

Definition of Dual

1. Adjective. Characterized by having two (usually equivalent) components. ¹

2. Adjective. Double. ¹

3. Adjective. (grammar) Pertaining to grammatical number (as in singular and plural), referring to two of something, such as a pair of shoes, in the context of the '''singular''', '''plural''' and in some languages, '''trial''' grammatical number. Modern Arabic displays a dual number, as did Homeric Greek. ¹

4. Noun. Of an item that is one of a pair, the other item in the pair. ¹

5. Noun. (geometry) Of a regular polyhedron with ''V'' vertices and ''F'' faces, the regular polyhedron having ''F'' vertices and ''V'' faces. ¹

6. Noun. (grammar) dual number The grammatical number of a noun marking two of something (as in singular, dual, plural), sometimes referring to two of anything ('''a couple of''', '''exactly two of'''), or a chirality-marked pair (as in left and right, as with gloves or shoes) or in some languages as a discourse marker, "between you and me". A few languages display trial number. ¹

7. Noun. (mathematics) Of a vector in an inner product space, the linear functional corresponding to taking the inner product with that vector. The set of all duals is a vector space called the dual space. ¹

¹ Source:

Definition of Dual

1. a linguistic form [n -S]

Dual Pictures

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Lexicographical Neighbors of Dual

dt immunization
dtap immunization
du Maurier
du jour
dual (current term)
dual-clutch gearbox
dual-cure resin
dual SIM
dual audio
dual boot
dual carriageway
dual citizenship
dual citizenships

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