| Acronym | Meaning |
| ADT | Air Dry Ton [of Cellulose Pulp] |
| CPDW | Circumpolar Deep Water |
| MCLED | Microcavity Light-emitting Diode |
| GRASP | Gradient Accelerated Spectroscopy |
| RTG | Radioisotope Thermoelec. Generators |
| AWS | American Welding Society |
| PVEC | Photovoltaic Energy Conversion |
| RSRG | Real-space Renormalization Group (method In Calcn. Of Green Functions For Electrons In Crystals) |
| DSCEMS | Depth Selective Conversion Electron Moessbauer Spectroscopy |
| FMDF | Fixed Mirror Distributed Focus (solar Concentrator) |