| Acronym | Meaning |
| AC | Alternating Current |
| RDH | Rapid Displacement Heating (pulping - For Paper) |
| HSC | HAZMAT Spill Center |
| EIFS | Exterior Insulation And Finish Systems [coatings] |
| IGCC | Integrated Gasification Combined Cycles (electric Power Generation Technology) |
| ENSO | El Nino Southern Oscillation |
| QVE | Quasivibrational Energy (formalism In Multiphoton Dissocn.) |
| PAR | Photosynthetically Active Radiation |
| APCS | Argonne Premium Coal Sample |
| ADPIC | Atmospheric Dispersion Particle-in-Cell |