| Acronym | Definition |
|---|
| MDAS | Memorial Delirium Assessment Scale (patient evaluation tool) |
| MDAS | Meteorological Data Acquisition System |
| MDAS | Material Documented As Safe (US DoD Instruction) |
| MDAS | Mobile Directional Antenna System (telecommunications) |
| MDAS | My Dear Aunt Sally (mnemonic for: Multiply, Divide, Add, Subtract) |
| MDAS | Mobile Data Access System |
| MDAS | Magnetic Drum Auxiliary Sender |
| MDAS | Multiple Database Access System |
| MDAS | Mobile Data Acquisition System |
| MDAS | Multiplication, Division, Addition, Subtraction |
| MDAS | Maintenance Data Accounting System |
| MDAS | Mercator Data Assimilation System (French) |
| MDAS | Medical Data Administration System |