| Acronym | Meaning |
| UCID | Unrestricted CI (with) Single (and) Double (excitations) |
| SUSTECH | Sustainable Technologies Initiative [European Communities] |
| USPC | Unoccupied-states Potential Correction |
| PSII | Plasma Source Ion Implantation |
| CDA | Cosmic Dust Analyzer |
| AFBC | Atmospheric Fluidized Bed Combustion |
| HAZWRAP | Hazardous Waste Remedial Actions Program |
| NMSC | Non-melanoma Skin Cancer |
| TAPPI | Technical Association Of The Pulp And Paper Industry |
| SESAME | Second European Stratospheric Arctic And Midlatitude Experiment |