Question

variable 【VARIABLE】The amount of heat produced by this electrical apparatus is variable by turning a small handle.这电热器所产生的热量可随着转动小把手而改变。【重点词汇】variable adj. 易变的

Accepted Answer

['veriəbl] 
variablesomething that is likely to vary; something that is subject to variation
The adjective variable is used to describe something that is liable to change often, such as the weather, interest rates, or your teacher's mood.
If you mention the noun variable to people who are math-phobic, you may give them nightmares because they don't like to think about numbers or values that can change in equations. The adjective form of variable has been around since the late 1300s, applying first to people, and then, in the late 1400s, to weather. The noun form first appeared in Lacroix's Differential and Integral Calculus in 1816, guaranteeing that math students would be solving for the variable x for generations to come.
All forms of 'variable' will appear on average once every 230 pages.invariabilityinvariablenessinvariablyinvarianceunvariednessinvariablevariabilityvariablenessvariablyinvariantvariancebivariatemultivariatecovariationunvariedvariednessco-varyvariablevariantvariatevariationvariedvaryvaryingunvarying

Front	variable
Pron	['veriəbl]
Back	【VARIABLE】 The amount of heat produced by this electrical apparatus is variable by turning a small handle. 这电热器所产生的热量可随着转动小把手而改变。【重点词汇】 variable adj. 易变的
Vocab	variablesomething that is likely to vary; something that is subject to variation The adjective variable is used to describe something that is liable to change often, such as the weather, interest rates, or your teacher's mood. If you mention the noun variable to people who are math-phobic, you may give them nightmares because they don't like to think about numbers or values that can change in equations. The adjective form of variable has been around since the late 1300s, applying first to people, and then, in the late 1400s, to weather. The noun form first appeared in Lacroix's Differential and Integral Calculus in 1816, guaranteeing that math students would be solving for the variable x for generations to come. All forms of 'variable' will appear on average once every 230 pages. invariability invariableness invariably invariance unvariedness invariable variability variableness variably invariant variance bivariate multivariate covariation unvaried variedness co-vary variable variant variate variation varied vary varying unvarying

Variable Adjective Change Noun Form Late Veriəbl Amount