| Acronym | Meaning |
| RFA | Regulatory Flexibility Analysis |
| SLO | Strictly Localized Orbital |
| RMLC | Recommended Maximum Contaminant Level |
| VTA | Ventral Tegmental Area |
| NEAR | Near Earth Asteroid Rendezvous |
| MCZDO | Many Center Zero Differential Overlap |
| HVDB | Halogenated Volatile Disinfection By-products |
| FPP | Fertilization Promoting Peptide |
| NPAPS | Non-phase Alternation Pulse Sequence |
| NVFEL | National Vehicle And Fuel Emissions Laboratory |