| Acronym | Meaning |
| CSR | Constant Sampling Rate |
| HIT | Heterojunction With Intrinsic Thin Layer (photovoltaic Cell; Solar Cell) |
| AFPAL | Air Force Phillips Astronautics Laboratory (USA) |
| NASQAN | National Stream Quality Accounting Network |
| IDT | Interdigital Transducer |
| EQCM | Electrochemical Quartz Crystal Microbalance |
| SCRIMP | Seemann Composites Resin Infusion Under Flexible Tooling [plastics Molding] |
| ZCC | Zero Core Contribution (model For Photodetachment Calcns.) |
| CIPM | Comite International Des Poids Et Mesures |
| GRPA | Generalized Random-phase Approximation |