| Acronym | Meaning |
| MECC | Micellar Electrokinetic Capillary Chromatography |
| CERCLIS | Comprehensive Environmental Response |
| RERS | Resonance-enhanced Raman Scattering |
| MNDOC | Modified Neglect Of Diatomic Overlap Correlated |
| MEXH | Multiple-energy X-ray Holography |
| MAP3S | Multi-State Atmospheric Power Production Pollution Study |
| HBJ | Hougen-Bunker-Johns (Hamiltonian For Mol. Calcns.) |
| LMT | Liquid Membrane Transport |
| SA-MCSCF | State Averaged Multiconfiguration Self-consistent Field (wave Function) (see Also ICF-CI) |
| MAS | Magic Angle Spinning (solid State NMR) |