| Acronym | Meaning |
| OCD | Overlapping Charge Density (model In Electronic Structure) |
| CEIS | Center For Environmental Information And Statistics (EPA) |
| LBE | Lance Bubbling Equil. |
| LDPO | Linearly Driven Parametric Oscillator (model In Energy Transfer Calcns. In Mol. Collisions) |
| APO | Aq.-phase Oxidn. |
| IFSEM | International Federation Of Societies For Electron Microscopy |
| ALMV | Alfalfa Mosaic Virus |
| TEA | Thermal Energy Analyzer |
| DGME | Diethylene Glycol Monomethyl Ether |
| UHP | Ultra High Purity |