We found 8 dictionaries that define the word control variable:

General (3 matching dictionaries)

1. control variable: Wiktionary
2. control variable: Dictionary.com
3. Control variable (programming), Control variable (statistics), Control variable: Wikipedia, the Free Encyclopedia

Business (2 matching dictionaries)

4. control variable: Glossary of research economics
5. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

6. control variable: Encyclopedia

Miscellaneous (1 matching dictionary)

7. Sociology (No longer online)

Science (1 matching dictionary)

8. control variable: PlanetMath Encyclopedia

Definitions from Wiktionary (control variable) ▸ noun:  (sciences) A factor that is held constant in a series of experiments in which other factors are varied Similar: parameter, constant, cardinal variable, index, continuous variable, predictor variable, covariate, dependent variable, timecourse, variable, more... ▸ Words similar to control variable ▸ Usage examples for control variable ▸ Idioms related to control variable ▸ Wikipedia articles (New!) ▸ Words that often appear near control variable ▸ Rhymes of control variable ▸ Invented words related to control variable