**variable** | | |

*n. (object)* | **1**. **variable** | something that is likely to vary; something that is subject to variation.; "*the weather is one variable to be considered*" |

| ~ thing | a separate and self-contained entity. |

*n. (cognition)* | **2**. **variable**, **variable quantity** | a quantity that can assume any of a set of values. |

| ~ quantity | the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable. |

| ~ argument | a variable in a logical or mathematical expression whose value determines the dependent variable; if f(x)=y, x is the independent variable. |

| ~ experimental variable, independent variable | (statistics) a variable whose values are independent of changes in the values of other variables. |

| ~ correlate, correlative | either of two or more related or complementary variables. |

| ~ degree of freedom | (statistics) an unrestricted variable in a frequency distribution. |

| ~ dependent variable | (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable.; "*if f(x)=y, y is the dependent variable*" |

| ~ predictor variable | a variable that can be used to predict the value of another variable (as in statistical regression). |

| ~ infinitesimal | (mathematics) a variable that has zero as its limit. |

| ~ chance variable, random variable, stochastic variable, variate, variant | a variable quantity that is random. |

| ~ scalar | a variable quantity that cannot be resolved into components. |

| ~ tensor | a generalization of the concept of a vector. |

| ~ vector | a variable quantity that can be resolved into components. |

*n. (object)* | **3**. **variable**, **variable star** | a star that varies noticeably in brightness. |

| ~ north star, polar star, polaris, pole star, polestar | the brightest star in Ursa Minor; at the end of the handle of the Little Dipper; the northern axis of the earth points toward it. |

| ~ star | (astronomy) a celestial body of hot gases that radiates energy derived from thermonuclear reactions in the interior. |

*n. (communication)* | **4**. **variable** | a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity. |

| ~ symbol | an arbitrary sign (written or printed) that has acquired a conventional significance. |

| ~ placeholder | a symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set. |

| ~ unknown quantity, unknown | a variable whose values are solutions of an equation. |

*adj. * | **5**. **variable** | liable to or capable of change.; "*rainfall in the tropics is notoriously variable*"; "*variable winds*"; "*variable expenses*" |

| ~ inconsistent | displaying a lack of consistency.; "*inconsistent statements cannot both be true at the same time*"; "*inconsistent with the roadmap*" |

| ~ inconstant | likely to change frequently often without apparent or cogent reason; variable.; "*inconstant affections*"; "*an inconstant lover*"; "*swear not by...the inconstant moon*" |

| ~ changeable, unsettled, uncertain | subject to change.; "*a changeable climate*"; "*the weather is uncertain*"; "*unsettled weather with rain and hail and sunshine coming one right after the other*" |

| ~ covariant | changing so that interrelations with another variable quantity or set of quantities remain unchanged. |

| ~ multivariate | pertaining to any procedure involving two or more variables. |

| ~ protean | taking on different forms.; "*eyes...of that baffling protean grey which is never twice the same*" |

| ~ shifting | continuously varying.; "*taffeta with shifting colors*" |

| ~ variant | exhibiting variation and change.; "*letters variant in size*" |

| ~ versatile | changeable or inconstant.; "*versatile moods*" |

*adj. * | **6**. **variable**, **varying** | marked by diversity or difference.; "*the varying angles of roof slope*"; "*nature is infinitely variable*" |

| ~ varied | characterized by variety.; "*immigrants' varied ethnic and religious traditions*"; "*his work is interesting and varied*" |

*adj. * | **7**. **variable** | (used of a device) designed so that a property (as e.g. light) can be varied.; "*a variable capacitor*"; "*variable filters in front of the mercury xenon lights*" |

| ~ adaptable | capable of adapting (of becoming or being made suitable) to a particular situation or use.; "*to succeed one must be adaptable*"; "*the frame was adaptable to cloth bolts of different widths*" |

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