| Acronym | Meaning |
| OLPGAA | On-line Prompt Gamma-ray Activation Analysis |
| EPHMRA | European Pharmaceutical Market Research Association |
| ACOIN | Australian Core Inventory |
| OPLC | Overpressured Layer Chromatography |
| TLS | Two-level System (with Tunneling Transitions Between Wells Of Double-well Potential) |
| DDE | Dichlorodiphenyldichloroethylene |
| SEHRRS | Surface Enhanced HyperRaman Resonance Spectroscopy |
| PIAS | Photon-counting Image Acquisition System |
| CAPMON | Canadian Air And Precipitation Monitoring Network |
| EDXRF | Energy Dispersive X-ray Fluorescence |