Dual
/ˈdjuː.əl/
Scrabble:5 ptsWWF:7 pts4 letters
Definition of Dual
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."
- (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.
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.
- Double.
"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.
"Modern Arabic displays a dual number, as did Homeric Greek."
- Being the space of all linear functionals of (some other space).
Anagrams of Dual
Related Word Patterns
Letter Values
d2
u1
a1
l1
Total: 5 Scrabble points
Rhymes With Dual
Word Validity & Sources
SOWPODS (International Scrabble): Valid
TWL (US/Canada Scrabble): Valid
Words With Friends: Valid
Last verified: December 2024
Dictionary data sourced from SOWPODS (178,691 words), combining TWL (Tournament Word List) and the Collins Scrabble Words dictionary. Definitions from Free Dictionary API and Wordnik.
About the Word "Dual"
Dual is a 4-letter word that scores 5 points in Scrabble and 7 points in Words With Friends. The letters in "dual" can be rearranged to form 2 other valid words.
Using "Dual" in Word Games
When playing Scrabble or Words With Friends, "dual" is a low-scoring word.