| Acronym | Meaning |
| CAPS | Cleaved Amplified Polymorphic Sequence |
| MC-SCF | Monte Carlo Self-consistent-field |
| WALTZ | Wonderful Alternating Phase Technique For Zero Residual Splittings |
| ASIDIC | Association Of Information And Dissemination Centers |
| CCGT | Closed Cycle Gas Turbine |
| PNO-CI | Pseudonatural Orbital-configuration Interaction |
| AFBBR | Anaerobic Fluidized Bed Biofilm Reactor |
| RMP | Radon Measurement Proficiency |
| IBR | In-plane Birefringence |
| HAO | Hydrogenic Atomic Orbital |