| Acronym | Meaning |
| FTU | Formazine Turbidity Unit |
| ETEX | European Tracer Experiment |
| MAAC | Maximum Ambient Air Concentration |
| HEUR | Hydrophobe Modified Ethoxylated Urethane [polymer] |
| PLDMR | Photoluminescence Detected Magnetic Resonance |
| CVD | Cardiovascular Disease |
| HDD | Halogenated Dibenzodioxin(s) |
| HAUP | High Accuracy Universal Polarimeter |
| PPKTP | Periodically Poled KTiOPO4 |
| HAMR | Heat Assisted Magnetic Recording |