| Acronym | Meaning |
| CM | Configuration Mixing |
| ECS | Electroconvulsive Shock |
| COI | Constituents Of Interest |
| DMA | Dimethylarsinic Acid |
| QLUC | Quasimolecular Large Unit Cell (model For Electronic-structure Calcns. On Solids) |
| EIP | Economic Incentive Program |
| RACS | Response Action Contractors |
| PVP | Polyvinyl Pyrrolidone |
| USMAR | Upflow Static-Media Anaerobic Reactor |
| NISO | National Information Standards Organization |