| Acronym | Meaning |
| ESIG | European Solvents Industry Group |
| FI | Fouling Index |
| ILZRO | International Lead Zinc Research Organization |
| ECG | Ecosystem Conservation Group |
| HTSS | Hierarchical Tree Substructure Search |
| AMEL | Active-matrix Electroluminescent |
| PT2D | Second-order Perturbation Theory (with) Diagonal (part Of Fock Matrix) |
| POGO | Polar Orbiting Geophysical Observatory |
| NPOX | Nonpurgeable Organic Halide |
| FOIA | Freedom Of Information Act |