| Acronym | Meaning |
| CASSS | California Separation Science Society |
| GOEZS | Global Ocean Euphotic Zone Study |
| MAMU | Mobile (ambient) Air Monitoring Unit (Canada) |
| JPCRD | Journal Of Physical And Chemical Reference Data |
| DFB | Distributed Feedback |
| TICS | Time Reversal Invariant Closed Shell (type Of Hartree-Fock Wave Function) |
| AGNPS | Agricultural Non-point Source Pollution |
| RDX | Royal Demolition Explosive |
| OEP | Optimized Effective-potential (quantum Method) |
| PROACT | Proactive Respirometric Operational And Control Technology |