| Acronym | Meaning |
| PROACT | Proactive Respirometric Operational And Control Technology |
| EST | External Standardization Technique |
| ZIP | Zinc Impurity Photodetector |
| ARSCFC | Approximate Relativistic SCF (with) Corrections |
| HEU | Highly Enriched Uranium |
| LSM | Loop Sampling Mode |
| FEMP | Fernald Environmental Management Project |
| NAMS | National Air Monitoring Station |
| IR | Isoprene Rubber |
| LASCO | Large Angle Spectroscopic Coronograph |