| Acronym | Meaning |
| DIIS | Direct Inversion In The Iterative Space |
| MDV | Marek's Disease Virus |
| GAIIA | Global Alliance Of Information Industry Associations |
| GCG | Genetics Computer Group |
| HMAC | Hazardous Materials Advisory Council |
| OAR | Office Of Air And Radiation (USEPA) |
| LAGST | Leaking Above Ground Storage Tank |
| SNO | Sudbury Neutrino Observatory |
| SGWD | Submarine Groundwater Discharge |
| GIP | Glucose-dependent Insulinotropic Polypeptide |