[{"Bold_text": "noun", "List Items": ["a law, rule, or other order prescribed by authority, especially to regulate :Safety regulations require the use of impact-resistant helmets.", "the act of regulating or the state of being regulated:Adolescence is a potentially important time in the development of emotion regulation.Synonyms: adjustment , disposition , dispensation , management , direction", "Sports.the normal, prescribed duration of a game according to the sport's regulations, exclusive of any extra innings, overtime period, etc.:The Knicks tied the score in the final seconds of regulation, sending the game into overtime.", "Biology.the internal response that an organism undergoes to adapt to external stimuli ( controldef16 ):Regulation of blood flow is an essential mechanism for delivering oxygen and glucose to the tissues that need it most.", "Genetics.the act or process of controlling the expression of genes:Scientists are hoping to discover whether viruses can be used to study gene regulation in mammalian cells.", "Embryology.the process by which an embryo can continue to develop normally after it has been damaged:Added cells become normally integrated into the body of the host embryo, which provides additional evidence of embryonic regulation.", "Electronics.the difference between maximum and minimum voltage drops between the anode and the cathode of a gas tube for a specified range of values of the anode current.", "Machinery.the percentage difference in some quantity related to the operation of an apparatus or machine, as the voltage output of a transformer or the speed of a motor, between the value of the quantity at no-load operation and its value at full-load operation."]}, {"Bold_text": "adjective", "List Items": ["prescribed by or conforming to regulation:regulation army equipment.", "usual ; normal ; customary :the regulation decorations for a Halloween party.", "Sports.during the normal, prescribed duration of a game:Both teams are entitled to two timeouts in each half of regulation play."]}]