| Acronym | Meaning |
| GFCM | Green-function Cellular Method |
| IAWQ | International Association On Water Quality |
| PEAD | Polietileno De Alta Densidad |
| CCM | Chemical Cleavage Of Mismatch |
| NLTE | Non-local Thermodynamic Equilibrium |
| JPL | Jet Propulsion Laboratory |
| DIIMFP | Differential Inverse Inelastic Mean Free Path |
| CPMV | Cowpea Mosaic Virus |
| E-2PH-TDA | Extended Two-particle-hole Tamm-Dancoff Approxn. (green-function Method For Ionization-energy Calcns.) |
| RQCAR | Reportable Quantities For Carcinogens In Hazardous Waste |