# dependent variable

### noun

Mathematics. a variable in a functional relation whose value is determined by the values assumed by other variables in the relation, as y in the relation y = 3x2.Compare independent variable(def 1).
Statistics. (in an experiment) the event studied and expected to change when the independent variable is changed.

## Origin of dependent variable

First recorded in 1850–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

## British Dictionary definitions for dependent variable

dependent variable

### noun

a variable in a mathematical equation or statement whose value depends on that taken on by the independent variablein "y = f(x)", "y'"is the dependent variable
psychol statistics the variable measured by the experimenter. It is controlled by the value of the independent variable, of which it is an index
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

## Scientific definitions for dependent variable

dependent variable
[ dĭ-pĕndənt ]

In mathematics, a variable whose value is determined by the value of an independent variable. For example, in the formula for the area of a circle, A = πr2, A is the dependent variable, as its value depends on the value of the radius (r). Compare independent variable.