Dual /ˈdjuː.əl/

The meaning and definition of Dual, with examples, synonyms, and a word game to make it stick.

Definition

noun

Of an item that is one of a pair, the other item in the pair.
Of a regular polyhedron with V vertices and F faces, the regular polyhedron having F vertices and V faces.
“The octahedron is the dual of the cube.”

verb

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

adjective

Exhibiting duality; characterized by having two (usually equivalent) components.
Acting as a counterpart.

Synonyms opposite double duplicate twin

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Related words

double dollar domain dome done door dots doubt