| Acronym | Meaning |
| LIS | Lightning Imaging Sensor |
| MIC | Methyl Isocyanate |
| SST | Sea Surface Temperature |
| RBCOD | Readily Biodegradable Chemical Oxygen Demand |
| OCE | One-center Expansion (SCF MO Method) |
| FMM | Fast Multipole Method (algorithm For Coulomb Interactions Among Charge Distributions) |
| OAQPS | Office Of Air Quality Planning And Standards |
| PDMEE | Primary-beam Diffraction Modulated Electron Emission |
| ICGCC | Integrated Coal Gasification Combined Cycle Plant |
| AHAM | American Household Appliance Manufacturers |