| Acronym | Meaning |
| GPHS | General Purpose Heat Source |
| BIOS | British Intelligence Objectives Sub-committee |
| PGHS | Prostaglandin H Synthase |
| FAS | Flame Absorption Spectroscopy |
| BOA | Born-Oppenheimer Approxn. |
| CDIF | Component Development And Integration Facility (MHD Channel Generator Plant |
| SPARHEED | Spot Profile Analysis Reflection High-energy Electron Diffraction |
| RCR | Replication-competent Retrovirus |
| ABIH | American Board Of Industrial Hygienists |
| HMPT | Hexamethylphosphoric Triamide |