| Acronym | Meaning |
| MPD | Multiphoton Dissociation |
| WSOEA | Wallace Second-order Eikonal Approximation |
| UTLA | Ultra Thin Layer Activation |
| ICAO | International Civil Aviation Organization |
| PAK | P21-Activated Kinase |
| SESCA | Scanning Electron Spectroscopy For Chemical Applications |
| CT | Disinfection Concentration Contact Time |
| RTO | Rapid Thermal Oxidation |
| OPACA | Organotin Paint Control Act Of 1988 (US) |
| IMMA | Ion Microprobe Mass Analysis |