[{"Bold_text": "verb (used with object)", "List Items": ["to exercise restraint or direction over; dominate : command :The car is difficult to control at high speeds.That zone is controlled by enemy troops.Synonyms: rule , govern , manage", "to hold in check; curb :to control a horse;to control one's emotions.Synonyms: constrain , bridle , restrain", "to test or verify (a scientific experiment) by a parallel experiment or other standard of comparison.", "to eliminate or prevent the flourishing or spread of:to control a forest fire.", "Biology.(of an organism) to initiate an internal response to external stimuli.", "Obsolete.to check or regulate (transactions), originally by means of a duplicate register."]}, {"Bold_text": "noun", "List Items": ["the act or power of controlling; regulation ;domination or command:Who's in control here?Synonyms: mastery , rule , reign , dominion", "the situation of being under the regulation, domination, or command of another:The car is out of control.", "check or restraint:Her anger is under control.", "a legal or official means of regulation or restraint:to institute wage and price controls.", "Statistics. control variable(def1) control variable(def1).", "a person who acts as a check; controller .", "a device for regulating and guiding a machine, as a motor or airplane.", "controls,a coordinated arrangement of such devices.", "prevention of the flourishing or spread of something undesirable:rodent control.", "Biology.an organism’s ability to initiate an internal response to external stimuli ( regulation ).", "Baseball.the ability of a pitcher to throw the ball into the strike zone consistently:The rookie pitcher has great power but no control.", "Philately.any device printed on a postage or revenue stamp to authenticate it as a government issue or to identify it for bookkeeping purposes.", "a spiritual agency believed to assist a medium at a séance.", "the supervisor to whom an espionage agent reports when in the field."]}, {"Bold_text": "verb phrase", "List Items": ["Statistics.to account for (variables in an ) by limiting the data under consideration to a comparison of like things:to control for demographic factors."]}]