| Acronym | Meaning |
| NTU | Number Of Transfer Units (in Packed Tower Aeration System) |
| DBEP | Bis(2-butoxyethyl) Phthalate |
| FAD | Failure Assessment Diagram |
| NNI | National Nanotechnology Initiative |
| IMAPS | International Microelectronics And Packaging Society |
| QMAR | Quantitative Migration-activity Relationship |
| ISI | Institute For Scientific Information |
| CELIA | Competitive Enzyme-Linked Immunoassay |
| SAM | Scanning Acoustic Microscopy |
| IMPACT | Integrated Model Of Plumes And Atmosphere In Complex Terrain |