| Acronym | Meaning |
| GRI | Geosynthetics Research Institute (Drexel University |
| TDP | Total Dissolved Phosphorus |
| IFSEM | International Federation Of Societies For Electron Microscopy |
| ADAM | Angular Distribution Auger Microscopy |
| MCR | Multivariate Curve Resolution |
| DEXA | Dual Energy X-ray Absorptiometry |
| SWRRB | Simulation For Water Resources In Rural Basins |
| RE | Recoupled States (in Orbiting Resonances Calcns. In Atom-mol. Inelastic Scattering) |
| FRCA | Fire Retardant Chemicals Association |
| OCT | Optimized Cluster Theory |