| Acronym | Meaning |
| ADEOS | Advanced Earth Observing Satellite |
| IGARSS | International Geoscience And Remote Sensing Symposium |
| IPN | Interpenetrating Polymer Network |
| MRIS | Municipal Refuse Incineration System(s) |
| ESPT | Excited-state Proton Transfer |
| WSM | Watershed Model |
| CNDO/2-U | Universal CNDO/2 (extended To Full Periodic Table) |
| CSF | Catalyzed Soot Filter |
| IAPPS | International Association For The Plant Protection Sciences |
| MS | Molecular Spinor |