| Acronym | Meaning |
| SCOD | Soluble Chemical Oxygen Demand |
| PASA | PCR Amplification Of Specific Alleles |
| MTEL | Maximum Tolerable Exposure Levels |
| MPD | Multiphoton Dissociation |
| SOA | Semiconductor Optical Amplifier |
| LEPS | London-Eyring-Polanyi-Sato (potential-energy Surface) |
| TROESY | Transverse Rotating-frame Overhauser Effect Spectroscopy |
| ASE | Activated Sludge Effluent |
| NVLAP | National Voluntary Laboratory Accreditation Program |
| VAP | Valence Alternation Pair (bonding Configuration Model) |