| Acronym | Meaning |
| CDIR | Carbon Dioxide Information Repository |
| ASEC | Applied Solar Energy Corporation |
| ILS | Ionization Loss Spectroscopy |
| ICC | Ignition Control Compound |
| OESO | Ordnance Environmental Support Office (Navy) |
| FNA | Fine-needle Aspiration |
| PHBTD | (number)projected-hartree-bogolyubov Tamm-dancoff(quantum Method) |
| MCY | Matsuoka-Clementi-Yoshimine (potential Function) |
| DNDI | Drugs For Neglected Diseases Initiative |
| CLIPS | Chemical List Index And Processing System |