| Acronym | Meaning |
| PHC | Photonic Crystal |
| DON | Dissolved Organic Nitrogen |
| CDW | Circumpolar Deep Water |
| AAIT | Atomic Absorption Inhibition Titration |
| HCC | Hepatocellular Carcinoma |
| GVDW | Generalized Van Der Waals (a Free-energy D.-functional Theory) |
| CSI | Chemical Substances Inventory |
| CVA | Canonical Variate Analysis |
| AAV | Adeno-associated Virus |
| OIG | Office Of Inspector General |