List of hospitals in Arizona (U.S. state), sorted by hospital name. 1  Abrazo Arizona Heart Hospital - Phoenix, Arizona. 2  Abrazo Central Campus (formerly Phoenix Baptist Hospital) - Phoenix, Arizona. 3  Abrazo Maryvale Campus (formerly Maryvale Hospital Medical Center) - Phoenix, Arizona.
insulation - the act of protecting something by surrounding it with material that reduces or prevents the transmission of sound or heat or electricity. protection - the activity of protecting someone or something; the witnesses demanded police protection.
Medical Definition of insulation. 1  1: the action of separating a conductor from conducting bodies by means of nonconductors so as to prevent transfer of electricity, heat, or sound; also : the state resulting from such action. 2  2: material used to provide insulation.