| Acronym | Meaning |
| HPPM | Hole-particle Potential Model (in Mol. Excited States Calcns.) |
| NCCAM | National Center For Complementary And Alternative Medicine |
| MIM | Metal Injection Molding |
| IFT | Interfacial Tension |
| AH | Aryl Hydrocarbon |
| BIF | Boilers And Industrial Furnaces (USEPA Rule) |
| HPI | Hazard Potential Index |
| AQF | American Quality Foundation |
| CAE | Computer-aided Engineering |
| OTC | Ozone Transport Commission |