| Acronym | Meaning |
| ANCA | Anti-neutrophil Cytoplasmic Antibodies |
| RTF | Replenished Tapped And Fractionated (magma) |
| PETRA | Plasma Engineering And Technology Research Assembly |
| OCE | One-center Expansion (SCF MO Method) |
| ASASP | Active Scattering Aerosol Spectrometer Probe |
| PS1 | Presenilin 1 |
| IRP | Installation Restoration Program |
| CCSDTQP | CCSDTQ (and) Pentuple (excitations) |
| ABMT | Autologous Bone Marrow Transplantation |
| UHC | Unburned Hydrocarbons |