Variable vs Derivative - What's the difference?

As adjectives the difference between variable and derivative

is that variable is able to vary while derivative is obtained by derivation; not radical, original, or fundamental.

As nouns the difference between variable and derivative

is that variable is something that is variable while derivative is something derived.

variable

English

(wikipedia variable)

Adjective

(en adjective)

Able to vary.

variable''' winds or seasons; a '''variable quantity

Likely to vary.

* Shakespeare

Lest that thy love prove likewise variable .

Marked by diversity or difference.

(mathematics) Having no fixed quantitative value.

(biology) Tending to deviate from a normal or recognized type.

Synonyms

* (able to vary) alterable, flexible, changeable, mutable * (likely to vary) fickle, fluctuating, inconstant, shifting, unstable, unsteady * (marked by diversity or difference) varying * aberrant

Antonyms

* (able to vary) constant, invariable, immutable, unalterable, unchangeable * (likely to vary) constant, invariable, immutable, unchangeable * (marked by diversity or difference) unchanging * constant, invariable

Derived terms

* variability * variableness

Noun

(en noun)

Something that is .

Something whose value may be dictated or discovered.

* {{quote-magazine, year=2013, month=May-June, author= Katie L. Burke

, title= 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.}}

(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.

Synonyms

* (something that is variable) changeable * (something whose value may be dictated or discovered) parameter * variable quantity

Antonyms

* (something that is variable) constant, invariable

Hyponyms

* See also

Derived 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 * vary

External links

* * * ----

derivative

English

Adjective

(en adjective)

Obtained by derivation; not radical, original, or fundamental.

a derivative''' conveyance; a '''derivative word

Imitative of the work of someone else.

(legal, copyright) Referring to a work, such as a translation or adaptation, based on another work that may be subject to copyright restrictions.

(finance) Having a value that depends on an underlying asset of variable value.

Lacking originality.

Noun

(en noun)

Something derived.

(linguistics) A word that derives from another one.

(finance) A financial instrument whose value depends on the valuation of an underlying asset; such as a warrant, an option etc.

(chemistry) A chemical derived from another.

(calculus) The derived function of a function.

The derivative of $f:f(x) = x^2$ is $f':f'(x) = 2x$

(calculus) The value of this function for a given value of its independent variable.

The derivative of $f(x) = x^2$ at x = 3 is $f'(3) = 2 * 3 = 6$ .

Synonyms

* (something derived) spinoff * (finance) contingent claim * derived function

Derived terms

* arithmetic derivative * directional derivative * exterior derivative * * partial derivative * symmetric derivative * time derivative * total derivative * weak derivative

Antonyms

* coincidental

Hyponyms

* (finance) option, warrant, swap, convertible security, convertible, convertible bond, credit default swap, credit line note, financial futures contract, financial future, total return swap.