| Acronym | Meaning |
| NEMA | National Electrical Manufactures Association |
| NITM | Normalized Irreducible Tensorial Matrix |
| PPAC | Parallel-plate Avalanche Counter |
| PR | Preliminary Review |
| ELCAD | Electrolyte-cathode Discharge |
| IAPA | Independent Asymptotic Pair Approxn. (in Electronic Structure) |
| DOPAC | 3,4-dihydroxyphenylacetic Acid |
| LCD | Liquid Crystal Display |
| LFRT | Long Fiber Reinforced Thermoplastic |
| APSA | Advanced Photovoltaic Solar Array |