| Abbreviation | Definition |
|---|---|
| MO | Mathematical Operation |
| MOA | Magnum Object Algebra |
| MOA | Measurement Of Angle |
| MOB | Multiplying Out Brackets |
| MOC | Moby Object Calculus |
| MOEMS | Mathematical Olympiads for Elementary & Middle Schools |
| MOL | Mathematics of Language |
| MOLS | Mutually Orthogonal Latin Squares |
| MOM | Multiple Of Median |
| MONEY | More Opportunities Now Exist You |
| MOOSE | meta-analysis of observational studies in epidemiology |
| MOR | Mathematics of Operations Research |
| MOS | Model Output Statistics |
| MOSAIC | Mathematics of Science Art Industry and Culture |
| MOSAIC | Mathematics of Science Art Industry Culture |
| MP | Multiple Probabilities |
| MPA | Minimal Process Algebra |
| MPASS | Mathematics Placement And Scoring System |
| MPE | Mathematics |
| MPE | Mathematics of Planet Earth |