| Acronym | Meaning |
| IPC | International Patent Classification |
| LTU | Land Treatment Unit |
| GALE | Genesis Of Atlantic Lows Experiment |
| CSA | Centrifugal Sudden Approxn. (in Scattering Calcns.) |
| HMSA | Hybrid Mean Spherical Approximation |
| ASH | Air-sparged Hydrocyclone |
| COSHI | Clearinghouse For Occupational Safety And Health Information |
| FUSE | Far Ultraviolet Spectroscopic Explorer |
| GMAD | Geometric Mean Aerodynamic Diameter |
| IMOM | Iterative Method Of Maximum Overlap |