| Acronym | Meaning |
| LUMO | Lowest Unoccupied Molecular Orbital |
| RISA | RDNA Internal Spacer Analysis |
| MESFET | Metal Semiconductor Field-effect Transistor |
| TBP | TATA-box Binding Protein |
| DAIRS | Differential Absorption Infrared Sensor |
| G1 | Gaussian-one (theory For Calcg. Mol. Energies) |
| NDB | Nondefective Bonding |
| PBSS | Porous Bed Biomass Support System |
| NEMI | National Environmental Methods Index |
| CCCO | Committee On Climatic Changes And The Ocean (of IOC And SCOR) |