Managers Development Course Manipulation Detection Code Meridian Digital Centrex minimum detectable concentration Maintenance Data Collection Manager Development Course Maximum Dependable Capacity McDonnell Douglas Corporation macrophage-derived chemokine Main Display Console Maintenance Dependency Chart Major Diagnostic Category Mission Director's Center Missouri Department of Conservation Moderately Developed Country Machine Data Collection Major Diagnostic Categories Management Development Course material distribution center Meta Data Coalition Metoprolol in Dilated Cardiomyopathy Metropolitan District Commission Microgravity Development Center Mild Detonating Cord Missile Development Center Mission Director Center Mission Duty Cycle Modem Daughter Card MODIFICATION DETECTION CODE Modified Departure Control