| Acronym | Meaning |
| EVA | Extravehicular Activity (related To Spacecraft) |
| NIRIS | Near-infrared Imaging Spectroscopy |
| SCRIMP | Seemann Composites Resin Infusion Under Flexible Tooling [plastics Molding] |
| GCHAZ | Grain-coarsened Heat-affected Zone |
| EMIS | Environmental Management Information System |
| ALS | Antilymphocyte Serum |
| APECED | Autoimmune Polyendocrinopathy-candidiasis-ectodermal Dystrophy |
| MRM | Multiresidue Method |
| CD | Critical Dimension |
| PRCPTS | Primary Reactor Coolant Pump Trip System |