| Acronym | Meaning |
| ARM | Atmospheric Radiation Measurement |
| ERIN | Environmental Resources Information Network |
| CNDO/B | Complete Neglect Of Differential Overlap / Boyd |
| CO | Crystal Orbital |
| CMBR | Cosmic Microwave Background Radiation |
| XAFS | X-ray Absorption Fine Structure |
| PPE | Porcine Pancreatic Elastase |
| FPLC | Fast Protein Liquid Chromatography |
| HQM | Hemiquantal Mechanics (in Mol. Calcns.) |
| JFCA | Japan Fine Ceramics Association |