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variable

 
/ˈveər·i·ə·bəl/, /ˈvær-/ n [C] (CHANGING)

Definition

something that can change, esp. in a way that cannot be known in advance: Among the variables that could prevent us from finishing the building by June are the weather and the availability of materials.
(Definition of variable n (CHANGING) from the Cambridge Academic Content Dictionary © Cambridge University Press)

“variable” in other dictionaries

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