| Acronym | Meaning |
| GX | Generalized Exchange |
| TOA | Thermooptical Analysis |
| TRAPDOR | Transfer Of Populations In Double Resonance |
| EIQ | Emission Inventory Questionnaire |
| SO-LAPW | Spin-orbit (coupling) Linearized Augmented Plane Wave |
| DXRL | Deep X-ray Lithography |
| EQS | Environmental Quality Standard |
| GCS | Geo-Common Subsystem (subsystem Of AIRS) |
| AHAM | American Household Appliance Manufacturers |
| PFU | Plaque-forming Units |