| Acronym | Meaning |
| GIXA | Glancing-incidence X-ray Analysis |
| VIF | Valency-point Interaction Formula (in Graph Theory With At. And Mol. Orbitals) |
| CAE | Capillary Array Electrophoresis |
| ORD | Optical Rotatory Dispersion |
| AWWARF | American Water Works Association Research Foundation |
| LD | Laser Diode |
| GOFS | Global Ocean Flux Study |
| PPAR | Peroxisome Proliferator-activated Receptor |
| NOE | Nuclear Overhauser Effect (NMR) |
| WDD | Weighted Density Distribution |