| Acronym | Meaning |
| DEM | Discrete Element Method |
| IMO | International Maritime Organization |
| NDP | Neutron Depth Profiling |
| EIT | EUV (extreme Ultraviolet) Imaging Telescope |
| OASCR | Office Of Advanced Scientific Computing Research |
| SGA | Soluble-gas Atomization |
| NCTR | National Center For Toxicological Research |
| ITRI | Inhalation Toxicology Research Institute |
| HLAO | High-lying Antibonding Orbital |
| GVP | Gasoline Vapor Pressure |