| Acronym | Meaning |
| TBW | Total Body Weight |
| ISA | Ionic Strength Adjuster |
| PCDW | Projectile Continuum Distorted Wave (in Atom Collision Calcns.) |
| NETL | National Energy Technology Laboratory |
| CEAREX | Coordinated Eastern Arctic Experiment |
| HAPEX | Hydrological And Atmospheric Pilot Experiment |
| AQG | Air Quality Guideline |
| ULF | Ultra Low Frequency |
| CRP | Carbon Fiber Reinforced Plastics |
| RBM | Random Bonding Model |