independent variable

Translations
независимая переменная
In the experiment, the temperature was the independent variable.
В эксперименте температура была независимой переменной.
Definitions
An independent variable is a variable in an experiment or study that is manipulated or changed to observe its effect on a dependent variable. It is considered the cause or input in a cause-and-effect relationship.
Words
independent

adjective
независимая
variable

noun
переменная