| Acronym | Meaning |
| QAMB | Quality Assurance Materials Bank (USEPA) |
| DMICS | Design Methods For Integrated Control Systems [propulsion] |
| ESR | Electroslag Remelting |
| CEN | Comite Europeen De Normalization |
| HIMU | High U/Pb Mantle (component) |
| ECEC | European Center For Environmental Communication |
| DCPAES | Direct Current Plasma Atomic Emission Spectrometry |
| PPD | Purified Protein Derivative |
| POF | Polymer Optical Fiber |
| HLG | Hedin-Lundqvist-Gunnarsson (spin D. Functional) |