What is the meaning of Dual?

Characterized by having two (usually equivalent) components.

Pertaining to two, pertaining to a pair of.

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

Exhibiting duality.

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.

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 dual 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.

A head-to-head match or meet between two teams, such as two high schools or colleges.

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

dual

dual

dual

lock, tress

wisp, tuft

ply, strand

twist, twine

spiral, whirl

twine

braid, coil

interlace, fold

dowel

knot

native, natural

proper, fitting

in the natural order of things

fated

possible

dual (having two elements)

dual

hereditary

usual, natural

birthright

due

something which is natural and/or usual

curl, lock of hair

plait, strand, braid, or fold

ringlet

plait, twist

loop, curl

fold

link

dual

dual

Source: wiktionary.org