| Acronym | Meaning |
| FEG | Field Emission Gun |
| CDS | Compliance Data System (US EPA Air Database) |
| BAT | Biol. Tolerance Value (German Std.) |
| BOFT | Bearing Oil Film Thickness |
| BRM | Band Random Matrix (model For Quantum Localization In Conservative Systems) |
| PCI | Peripheral Component Interconnect |
| CCCLC | Complex-coordinate Coupled-Landau-channel (method In Calcns. On Autoionizing Resonances) |
| HTU | Height Of Transfer Unit (in Packed Tower Aeration System) |
| PVS | Performance Verification Sample |
| FSCV | Fast-scan Cyclic Voltammetry |