| Acronym | Meaning |
| DFDL | Distributed-feedback Dye Laser |
| IBS | Irritable Bowel Syndrome |
| QAEM | Quality Assurance For Environmental Measurements |
| BCAA | Branched-chain Amino Acids |
| EPS | Extracellular Polymeric Substances |
| PEMS | Predictive Emission Monitoring System |
| UPD | Underpotential Deposition |
| PTCR | Positive Temperature Coefficient Of Resistance (of Semiconductors) |
| DC | Blood-air Distribution Coefficient |
| MDR | Multidrug Resistance |