control variable

Noun

 * 1)  A factor that is held constant in a series of experiments in which other factors are varied
 * There are different ways of analysing equations and I prefer to look at elements involved as often either fixed or control variables.

Related terms

 * - also known as controlled variable.

Translations

 * Esperanto: iteracinombrilo
 * Malayalam: നിയന്ത്രണചരം