# independent variable

### noun

Mathematics. a variable in a functional relation whose value determines the value or values of other variables, as x in the relation y = 3x2.Compare dependent variable(def 1).

Statistics. (in an experiment) a variable that is intentionally changed to observe its effect on the dependent variable.Compare dependent variable(def 2), control variable(def 1).

## RELATED CONTENT

What’s The Difference Between Independent And Dependent ClausesYou might have seen these terms floating around. Clauses are the building blocks of sentences. They’re groups of related words (phrases) that contain both a subject and a verb. When a clause can stand alone as a complete sentence with a clear meaning, it’s considered independent. If it only makes sense when you join it with another clause, it’s dependent (or subordinate). For example, “in …

## Nearby words

independent axiom, independent clause, independent living, independent school, independent suspension, independent variable, independentista, independents, inderal, indescribable, indestructible

## Origin of independent variable

First recorded in 1850–55

Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Are There Any Words Without Rhymes?

Test The Perfection Of Your Intellection With This Week’s Quiz!

How The Letter “X” Creates More Gender-Neutral Language

Empathy vs. Sympathy: Which Word To Use And When

What Is “Stochastic Terrorism,” And Why Is It Trending?

English Could Really Use These 9 Wunderbar German Words

## British Dictionary definitions for independent variable

## independent variable

### noun

Also called: argument a variable in a mathematical equation or statement whose value determines that of the dependent variable: in y = f(x), x is the independent variable

Also called: predictor statistics the variable which an experimenter deliberately manipulates in order to observe its relationship with some other quantity, or which defines the distinct conditions in an experimentSee also experimental condition

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Science definitions for independent variable

## independent variable

[ ĭn′dĭ-pĕn′dənt ]

In mathematics, a variable whose value determines the value of other variables. For example, in the formula for the area of a circle, A = πr2, r is the independent variable, as its value determines the value of the area (A). Compare dependent variable.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.