| Acronym | Meaning |
| OPIT | Oxide Powder In Tube |
| GTP | Group-transfer Polymerization |
| CCS | Corrected Coupled-states (method For Mol.-scattering Calcns.) |
| PIMIA | Potentiometric Ionophore-modulation Immunoassay |
| AUDM | Advanced Unified Defect Model |
| PSCI | Partitioned (orbital Hessian) Super-configuration Interaction |
| PBCSBR | Porous Biomass Carrier Sequencing Batch Reactor |
| DWBA3(3DWBA) | Three-body Distorted-wave Born Approximation |
| OIG | Office Of Inspector General |
| LOICZ | Land-Ocean Interactions In The Coastal Zone |