| Acronym | Meaning |
| ETEC | Environmental Technology & Education Center |
| LCFFUA | Linear Combination Of Floating Functions Of United Atom |
| FGFR | Fibroblast Growth Factor Receptor |
| SOLO | Second-order Correlated Localized Orbital-local Origin (method) |
| CLU-IN | Clean-Up Information Bulletin Board System (formerly OSWER-BBS) |
| NMOG | Non-Methane Organic Gases |
| FWPCA | Federal Water Pollution Control Act Of 1972 |
| GI | Many Electron Wave Functions That Are Simultaneously Eigen-functions Of The Total Spin Projection Operators And Satisfy The Pa |
| BMRC | British Medical Research Council |
| CEA | Cost-Effectiveness Analysis |