| Acronym | Meaning |
| HEDS | Human Exploration And Development Of Space |
| NOGF | Nonorthogonal Group Function Approximation |
| NCDC | National Climatic Data Center |
| LFAM | Line Focus Acoustic Microscope |
| RSW | Resistance Spot Welding |
| IWRA | International Water Resources Association (USA) |
| NZRPA | Normalized Zero-range Potential Approxn. |
| IDIMS | Interactive Digital Image Manipulation System |
| IDEA | Integrated Data For Enforcement Analysis |
| PBFFF | Potential Barrier Field-flow Fractionation |