English

Definition of variable noun from the Oxford Advanced Learner's Dictionary

  

variable

 noun
noun
BrE BrE//ˈveəriəbl//
 
; NAmE NAmE//ˈveriəbl//
 
, NAmE//ˈværiəbl//
 
Mathematical terminology
 
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a situation, number or quantity that can vary or be varied With so many variables, it is difficult to calculate the cost. The temperature remained constant while pressure was a variable in the experiment. opposite constant See related entries: Mathematical terminologyWord Familyvary verbvaried adjectivevariable adjectivevariation nounvarious adjectivevariety noun Word Origin late Middle English: via Old French from Latin variabilis, from variare, from varius ‘diverse’.
See the Oxford Advanced American Dictionary entry: variable