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dependent variable

noun
1.
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 = 3 x 2 .
Compare independent variable (def 1).
2.
Statistics. (in an experiment) the event studied and expected to change when the independent variable is changed.
Compare independent variable (def 2), control variable (def 1).
Origin
1850-1855
1850-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for dependent-variable

dependent variable

noun
1.
a variable in a mathematical equation or statement whose value depends on that taken on by the independent variable: in "y = f(x)", "y'"is the dependent variable
2.
(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
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dependent-variable in Science
dependent variable
  (dĭ-pěn'dənt)   
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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