| Acronym | Meaning |
| APB | Antiphase Boundary (crystal Chemistry) |
| TALMS | Tunable Atomic Line Molecular Spectroscopy |
| BEPR | Biological Excess Phosphorus Removal |
| OEBR | Optical Edge Bead Removal |
| VFD | Vacuum Fluorescent Display |
| DHOT | Double-heterojunction Optical Thyristor |
| DARC | Description |
| NESCAUM | North East States Coalition For Air Use Management |
| LOF | Lack Of Fit |
| WWT | Wastewater Treatment |