Control-experiment
noun
1.
an experiment in which the variables are controlled so that the effects of varying one factor at a time may be observed.
noun
1.
an experiment designed to check or correct the results of another experiment by removing the variable or variables operating in that other experiment. The comparison obtained is an indication or measurement of the effect of the variables concerned
control experiment n.
An experiment that isolates the effect of one variable on a system by holding constant all variables but the one under observation.
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