dependent variable

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Mathematics A mathematical variable whose value is determined by the value assumed by an independent variable.
• noun Statistics The observed variable in an experiment or study whose changes are determined by the presence or degree of one or more independent variables.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun algebra In an equation, the variable whose value depends on one or more variables in the equation.
• noun sciences an outcome measured to see the effectiveness of the treatment.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable