1con·trol verb \kən-ˈtrōl\
: to incorporate suitable controls in <a controlled experiment>
: to reduce the incidence or severity of especially to innocuous levels <control an insect population> <a vaccine for controlling outbreaks of cholera>
: to incorporate controls in an experiment or study—used with for <failure to control for the difference in the rate of smoking between the two groups—Howard Bauchner et al>
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