| Abbreviation | Definition |
|---|---|
| MODRNA | nucleoside-Modified messenger Ribonucleic Acid |
| MOH | Measurement Of Hardness |
| MOL | Molecule |
| MOLPL | Moles per litter |
| MOLWT | Moles weight |
| MOP | Muriate Of Potash |
| MOPAC | Molecular Orbital PACkage |
| MORD | Magnetic Optical Rotatory Dispersion (chemistry) |
| MP | Medium Pressure |
| MP | Melting Point |
| MP | Metal Particle |
| MP | Metal Particulate |
| MP | Metal Poor |
| MPAS | Methenamine Periodic Acid Schiff |
| MPBB | Molecular Plant Biophysics and Biochemistry |
| MPC | Maths Physics and Chemistry |
| MPCFS | Mesophase Pitch-Based Carbon Fibers |
| MPD | 2-Methyl-2,4-PentaneDiol |
| MPDT | Magnesium Phosphate Di-basic Trihydrate |
| MPIB | Max Planck Institute of Biochemistry |