| Acronym | Meaning |
| QMC | Quantum Monte-Carlo (theory For Many-electron Atoms And Mols.) |
| EP TOX | Extraction Procedure Toxicity Test (USEPA Method) |
| EOSP | Earth Observing Scanning Polarimeter |
| CDRH | Center For Devices And Radiological Health |
| ESCOMPTE | (Experience Sur Site Pour Contraindre Les Modeles De Pollution Atmospherique Et De Transport D'emissions) |
| ULIRG | Ultraluminous Infrared Galaxy |
| PSD | Pore Size Distribution |
| GIF | Graphic Image Format |
| OMO | Orthogonalized Magnetic Orbital |
| SCLS | Spectral Collocation (by) Least Squares |