| Acronym | Meaning |
| PBMS | Particle Beam Mass Spectrometry |
| BLB | Brillouin-Levy-Berthier (theorem In MO Theory) |
| SAR | Structure-Activity Relationship |
| RQCISD | (spin) Restricted QCISD |
| HAOM | Hybrid Atomic Orbital Model |
| CAFBR | Ceramic Filled Anaerobic Fixed Bed Reactor |
| CREST | Center For Renewable Energy And Sustainable Technology |
| HSE | Health And Safety Executive |
| CBA | Chemical Blowing Agent |
| MDC | Maxwell Displacement Current |