| Acronym | Meaning |
| MHC | Myosin Heavy Chain |
| IMS | Ion Mass Spectrometer |
| GKS | Gaspar-Kohn-Sham (potential For Exchange And Correlation In Band Structure Calcns.) |
| OMVPE | Organometallic Vapor-phase Epitaxy |
| BEA | Binary Encounter Approximation |
| PEIA | Programmatic Environmental Impact Analysis |
| EIX | Electrochemical Ion Exchange |
| PMC | Permanently Manned Capability (of Space Station) |
| BHTV | Borehole Televiewers |
| PTH | Parathyroid Hormone |