| Acronym | Meaning |
| TRXRD | Time-resolved X-ray Diffraction |
| BOC | Bond-order Conservation (model In Calcns. On Reactions) |
| BRV | Bubble Release Vacuum |
| KIPO | Korean Intellectual Property Office |
| NHFPT | Nonorthogonal Hartree-Fock Perturbation Theory |
| HCA | Hierarchical Cluster Analysis |
| AFSB | Anaerobic Fluidized Sludge Blanket |
| MBT | Many-body Theory |
| UAMO | Unprojected Alternant Molecular Orbital |
| SADT | Self Accelerating Decomposition Temperature |