Dual vs. Plural — What's the Difference?

Consisting of two parts, elements, or aspects

The plural (sometimes abbreviated PL), in many languages, is one of the values of the grammatical category of number. The plural of a noun typically denotes a quantity greater than the default quantity represented by that noun.

(of a theorem, expression, etc.) related to another by the interchange of particular pairs of terms, such as ‘point’ and ‘line’.

Relating to or composed of more than one member, set, or kind

A dual form of a word.

(Grammar) Of or being a grammatical form that designates more than one of the things specified.

A theorem, expression, etc., that is dual to another.

The plural number or form.

Convert (a road) into a dual carriageway

A word or term in the plural form.

Composed of two usually like or complementary parts; double

Consisting of or containing more than one of something.

Having a double character or purpose

(grammar) In systems of number, not singular or not singular or dual.

(Grammar) Of, relating to, or being a number category that indicates two persons or things, as in Greek, Sanskrit, and Old English.

(comparable) Pluralistic.

The dual number.

The plural number. In English, referring to more or less than one of something.

An inflected form of a noun, adjective, pronoun, or verb used with two items or people.

A word in the form in which it potentially refers to something other than one person or thing; and other than two things if the language has a dual form.

Characterized by having two (usually equivalent) components.

A person with some form of multiplicity, particularly dissociative identity disorder.

Pertaining to two, pertaining to a pair of.

Relating to, or containing, more than one; designating two or more; as, a plural word.

(grammar) Pertaining to a grammatical number in certain languages that refers to two of something, such as a pair of shoes.

The plural number; that form of a word which expresses or denotes more than one; a word in the plural form.

Exhibiting duality.

The form of a word that is used to denote more than one

(linear algebra) Being the space of all linear functionals of (some other space).

Grammatical number category referring to two or more items or units

(category theory) Being the dual of some other category; containing the same objects but with source and target reversed for all morphisms.

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

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

(grammar) The dual number.

(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.

(transitive) To convert from single to dual; specifically, to convert a single-carriageway road to a dual carriageway.

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

Consisting of or involving two parts or components usually in pairs;

Having more than one decidedly dissimilar aspects or qualities;

A grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural);