1. (

• variable

) something that is likely to vary; something that is subject to variation; "the weather is one variable to be considered" ;

2. (

• variable ,
• variable_quantity

) a quantity that can assume any of a set of values ;

3. (

• variable_star ,
• variable ,

) a star that varies noticeably in brightness ;

4. (

• variable

) a symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity ;

1. (

• variable

) liable to or capable of change; "rainfall in the tropics is notoriously variable"; "variable winds"; "variable expenses" ;

2. (

• varying ,
• variable

) marked by diversity or difference; "the varying angles of roof slope"; "nature is infinitely variable" ;

3. (

• 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" ;