| Acronym | Meaning |
| FFDCA | Federal Food, Drug, And Cosmetic Act (US) |
| UMO | Unmodified Molecular Orbital |
| IMC | Intermetallic Matrix Composite |
| BBS | Bulletin Board System |
| SSME | Space Shuttle Main Engine |
| RQTOX | Reportable Quantities For Chronically Toxic Hazardous Substances |
| BMR | Basal Metabolic Rate |
| ASDW | Axial Spin Density Wave |
| CED | Cohesive Energy Density |
| HRM | Hydrochlorination Reaction Mixt. |