Independent variable
WordNet
noun
(1) (statistics) a variable whose values are independent of changes in the values of other variables
WiktionaryText
Noun
independent variable (plural independent variables)
- In an equation, any variable whose value is not dependent on any other in the equation.
- In the equation z = x2 + y, x and y are the independent variables.
- The variable that is changed in a series of experiments.