| Acronym | Meaning |
| CMOD | Crack Mouth Opening Displacement |
| MIDAS | Manchester Information Datasets And Associated Services |
| MCR | Microcarbon Residue |
| AMSA | Association Of Metropolitan Sewerage Agencies |
| HEMPAS | Hereditary Erythroblastic Multinuclearity With Positive Acidified Serum Lysis Test |
| CWS | Coal Water Slurry |
| TEA | Transversely-excited Atmospheric Pressure |
| FECO | Fringes Of Equal Chromatic Order |
| BLMO | Best Limited Basis Molecular Orbital |
| HFEGE | Hara Free-electron-gas Exchange (potential) |