| Acronym | Meaning |
| GPCR | G-protein-coupled Receptor |
| DMCC | Dimethylcarbamyl Chloride |
| HFPP | Hartree-Fock Pseudopotential |
| LDC | Less Developed Countries |
| FFIS | Federal Facilities Information System |
| NEWS | National Surface Water Survey (USEPA) |
| CSE | Correction (with The) Statistical Exchange Potential |
| CIBL | Convective Internal Boundary Layer |
| DEMA | Diesel Engine Manufacturers Association |
| CS | Crystal Structure |