| Acronym | Meaning |
| SI | Site Investigation |
| RDH | Rapid Displacement Heating (pulping - For Paper) |
| CINDORU | Unified Cluster INDO |
| ACC | Acetyl-CoA Carboxylase |
| CCDW | Coupled-channel Distorted-wave (quantum Method) |
| PPI | Proton Pump Inhibitor |
| ECBM | Extended Classical Over-barrier Model (in Calcns. On Inelastic Ion-atom Colisions) |
| CTMP | Chemico-thermomechanical Pulping |
| FRAM | Fine Resolution Antarctic Model |
| FAO | Frozen Atomic Orbital |