MAR
MAR is frequently used as the abbreviation for the month of March, and it also identifies entities such as the Massachusetts Association of Realtors, medication administration records in healthcare, and the hotel chain Marriott International.
Medical
Mixed Antiglobulin Reaction
Mixed Agglutination Reaction
Multiple Antibiotic Resistance
Medication Administration Records
maternal antibody related autism
Miscellaneous
Community
Governmental
Management Assessment Review
Superior Court Mandatory Arbitration Rules
Minimally Attended Radar
Managed Arrival Reservoir
Mission Analysis Room
Micro-Assault Rifle
Maintenance Action Request
METOC Assistance Request
Academic & Science
Mississippi-Atchafalaya River
Mid-Atlantic Ridge
Master of Arts in Religion
Matrix Attachment Region
Mayland Amateur Radio
Regional
Computing
VAX Macro Assembly program
MicroSoft Access Report shortcut
Memory Address Register
Missing At Random
Modified Aspect Ratio