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. Example: The octahedron is the dual of the cube.
(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.
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.
To convert from single to dual; specifically, to convert a single-carriageway road to a dual carriageway.
Exhibiting duality; characterized by having two (usually equivalent) components.
Acting as a counterpart.
Double. Example: a dual-headed computer
(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. Example: Modern Arabic displays a dual number, as did Homeric Greek.
Being the space of all linear functionals of (some other space).
Being the dual of some other category; containing the same objects but with source and target reversed for all morphisms.
All clues having "DUAL"
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