Definify.com

Webster 1913 Edition


Variable

Va′ri-a-ble

,
Adj.
[L.
variabilis
: cf. F.
variable
.]
1.
Having the capacity of varying or changing; capable of alternation in any manner; changeable;
as,
variable
winds or seasons; a
variable
quantity.
2.
Liable to vary; too susceptible of change; mutable; fickle; unsteady; inconstant;
as, the affections of men are
variable
; passions are
variable
.
Lest that thy love prove likewise
variable
.
Shakespeare
His heart, I know, how
variable
and vain!
Milton.
Variable exhaust
(Steam Eng.)
,
a blast pipe with an adjustable opening.
Variable quantity
(Math.)
,
a variable.
Variable-rate mortgage
(Finance)
,
a mortgage whose percentage interest rate varies depending on some agreed standard, such as the prime rate; – used often in financing the purchase of a home. Such a mortgage usually has a lower initial interest rate than a
fixed-rate mortgage
, and this permits buyers of a home to finance the purchase a house of higher price than would be possible with a fixed-rate loan.
Variable stars
(Astron.)
,
fixed stars which vary in their brightness, usually in more or less uniform periods.
Syn. – Changeable; mutable; fickle; wavering; unsteady; versatile; inconstant.

Va′ri-a-ble

,
Noun.
1.
That which is variable; that which varies, or is subject to change.
2.
(Math.)
A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity;
as, in the equation
x
2
- y
2
= R
2
, x and y are
variables
.
3.
(Naut.)
(a)
A shifting wind, or one that varies in force.
(b)
pl.
Those parts of the sea where a steady wind is not expected, especially the parts between the trade-wind belts.
Independent variable
(Math.)
,
that one of two or more variables, connected with each other in any way whatever, to which changes are supposed to be given at will.
Thus, in the equation
x
2
- y
2
= R
2
, if arbitrary changes are supposed to be given to x, then x is the
independent variable
, and y is called a function of x.
There may be two or more independent variables in an equation or problem. Cf.
Dependent variable
, under
Dependent
.

Webster 1828 Edition


Variable

VA'RIABLE

,
Adj.
1.
That may vary or alter; capable of alteration in any manner; changeable; as variable winds or seasons; variable colors.
2.
Susceptible of change; liable to change; mutable; fickle; unsteady; inconstant; as, the affections of men are variable; passions are variable.
His heart I know, how variable and vain.
3.
In mathematics, subject to continual increase or decrease; in opposition to constant, retaining the same value.

VA'RIABLE

,
Noun.
In mathematics, a quantity which is in a state of continual increase or decrease. The indefinitely small quantity by which a variable is continually increased or diminished, is called its differential, and the method of finding these quantities, the differential calculus.

Definition 2022


Variable

Variable

See also: variable

German

Noun

Variable f (genitive Variable, plural Variablen)

  1. (mathematics) variable

Synonyms

  • Veränderliche f (becoming rare)

variable

variable

See also: Variable

English

Adjective

variable (comparative more variable, superlative most variable)

  1. Able to vary.
    variable winds or seasons; a variable quantity
  2. Likely to vary.
    • Shakespeare
      Lest that thy love prove likewise variable.
  3. Marked by diversity or difference.
  4. (mathematics) Having no fixed quantitative value.
  5. (biology) Tending to deviate from a normal or recognized type.

Synonyms

Antonyms

Derived terms

Translations

Noun

variable (plural variables)

  1. Something that is variable.
  2. Something whose value may be dictated or discovered.
    • 2013 May-June, Katie L. Burke, In the News”, in American Scientist, volume 101, number 3, page 193:
      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.
    There are several variables to consider here.
  3. (mathematics) A quantity that may assume any one of a set of values.
  4. (mathematics) A symbol representing a variable.
  5. (programming) A named memory location in which a program can store intermediate results and from which it can read them.
  6. (astronomy) A variable star.
  7. (nautical) A shifting wind, or one that varies in force.
  8. (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
  • (mathematics: a quantity that may assume any one of a set of values): variable quantity

Antonyms

Hyponyms

  • See also Wikisaurus:variable

Derived terms

Related terms

Translations

See also


Asturian

Etymology

From Latin variābilis.

Adjective

variable (epicene, plural variables)

  1. variable (able to vary)
  2. variable (likely to vary)

Noun

variable f (plural variables)

  1. (mathematics) variable (a quantity that may assume any one of a set of values)

Related terms


Catalan

Etymology

From Latin variābilis.

Adjective

variable m, f (masculine and feminine plural variables)

  1. variable (able to vary)
  2. variable (likely to vary)
  3. (mathematics) variable (having no fixed quantitative value)

Noun

variable f (plural variables)

  1. variable (something that is variable)
  2. (mathematics) variable (a quantity that may assume any one of a set of values)

Related terms


Danish

Adjective

variable

  1. plural and definite singular attributive of variabel

Noun

variable

  1. plural indefinite of variabel

French

Etymology

From Latin variabilis.

Adjective

variable m, f (plural variables)

  1. variable

Noun

variable f (plural variables)

  1. variable

Anagrams


Galician

Alternative forms

Etymology

From Latin variābilis.

Adjective

variable m, f (plural variables)

  1. variable, changeable

Antonyms

Noun

variable f (plural variables)

  1. variable

Related terms


Norwegian Bokmål

Adjective

variable

  1. singular definite of variabel
  2. plural of variabel

Norwegian Nynorsk

Adjective

variable

  1. singular definite of variabel
  2. plural of variabel

Spanish

Adjective

variable m, f (plural variables)

  1. variable

Noun

variable f (plural variables)

  1. variable

Swedish

Adjective

variable

  1. absolute definite natural masculine form of variabel.