| Acronym | Meaning |
| IACS | International Annealed Copper Standard |
| IPCC | Intergovernmental Panel On Climate Change |
| SCAMPI | Statistical Classification Of Activities Of Molecules For Pharmacophore Identification |
| TIME | Test, Inspect, Measure, And Evaluate |
| IMPATT | Impact Avalanche Transit-time |
| CCST | Complex Coordinate Scattering Theory |
| UAPSP | Utility Acid Precipitation Study Program |
| HEM | Human Exposure Model |
| VLDL | Very Low Density Lipoprotein |
| OTLC | Open Tubular Liquid Chromatography |