Variable vs Null - What's the difference?
variable | null |
Able to vary.
Likely to vary.
* Shakespeare
Marked by diversity or difference.
(mathematics) Having no fixed quantitative value.
(biology) Tending to deviate from a normal or recognized type.
Something that is .
Something whose value may be dictated or discovered.
* {{quote-magazine, year=2013, month=May-June, author=
, title= (mathematics) A quantity that may assume any one of a set of values.
(mathematics) A symbol representing a variable.
(programming) A named memory location in which a program can store intermediate results and from which it can read them.
(astronomy) A variable star.
(nautical) A shifting wind, or one that varies in force.
(nautical, in the plural) Those parts of the sea where a steady wind is not expected, especially the parts between the trade-wind belts.
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 variable and null
is that variable is variable while null is zero, nil; the cardinal number before einn.variable
English
(wikipedia variable)Adjective
(en adjective)- variable''' winds or seasons; a '''variable quantity
- Lest that thy love prove likewise variable .
Synonyms
* (able to vary) alterable, flexible, changeable, mutable * (likely to vary) fickle, fluctuating, inconstant, shifting, unstable, unsteady * (marked by diversity or difference) varying * aberrantAntonyms
* (able to vary) constant, invariable, immutable, unalterable, unchangeable * (likely to vary) constant, invariable, immutable, unchangeable * (marked by diversity or difference) unchanging * constant, invariableDerived terms
* variability * variablenessNoun
(en noun)Katie L. Burke
In the News, volume=101, issue=3, page=193, magazine=(American Scientist) , passage=Bats host many high-profile viruses that can infect humans, including severe acute respiratory syndrome and Ebola. A recent study explored the ecological variables that may contribute to bats’ propensity to harbor such zoonotic diseases by comparing them with another order of common reservoir hosts: rodents.}}
Synonyms
* (something that is variable) changeable * (something whose value may be dictated or discovered) parameter * variable quantityAntonyms
* (something that is variable) constant, invariableHyponyms
* See alsoDerived terms
* bound variable * categorical variable * continuous variable * dependent variable * discrete variable * flow variable * free variable * global variable * independent variable * instance variable * interval variable * local variable * member variable * metasyntactic variable * nominal variable * ordinal variable * ratio variable * stock variable * variable star * variably * varySee also
* argument * variateExternal links
* * * ----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.