Meaning & use

independent variable

noun·Academic

In an experiment or equation, the factor that is deliberately changed to observe its effect on another variable.

See it in a sentence

In the experiment, the amount of sunlight was the independent variable, while plant height was measured.

Researchers adjusted the independent variable, dosage, to see how it affected recovery time.

A note on using this word

The independent variable is set by the experimenter, while the dependent variable is the outcome that responds to it.

Words with a similar meaning

input variable

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Words with an opposite meaning

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