Dual vs Null - What's the difference?
dual | null |
Exhibiting duality; characterized by having two (usually equivalent) components.
Acting as a counterpart.
Double.
(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.
(linear algebra)
(category theory)
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) 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.
(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.
A non-existent or empty value or set of values.
Zero]] quantity of [[expression, expressions; nothing.
Something that has no force or meaning.
(computing) the ASCII or Unicode character (), represented by a zero value, that indicates no character and is sometimes used as a string terminator.
(computing) the attribute of an entity that has no valid value.
One of the beads in nulled work.
(statistics) null hypothesis
Having no validity, "null and void"
insignificant
* 1924 , Marcel Proust, Within a Budding Grove :
absent or non-existent
(mathematics) of the null set
(mathematics) of or comprising a value of precisely zero
(genetics, of a mutation) causing a complete loss of gene function, amorphic.
As nouns the difference between dual and null
is that dual is dual while null is zero, nil; the cardinal number before einn.dual
English
Alternative forms
*Adjective
(-)- dual-headed computer
Derived terms
* duality * dualismNoun
(en noun)- The octahedron is the dual of the cube.
See also
* * unal * duelAnagrams
* * * ----null
English
Noun
(en noun)- (Francis Bacon)
- Since no date of birth was entered for the patient, his age is null .
Adjective
(en adjective)- In proportion as we descend the social scale our snobbishness fastens on to mere nothings which are perhaps no more null than the distinctions observed by the aristocracy, but, being more obscure, more peculiar to the individual, take us more by surprise.