| Acronym | Meaning |
| HLAO | High-lying Antibonding Orbital |
| FAAS | Flame Atomic Absorption Spectroscopy |
| ASR | Alkali-silica Reaction |
| AMSU | Advanced Microwave Sounding Unit |
| AACC | American Association For Clinical Chemistry |
| EIAP | Environmental Impact Analysis Process |
| HPMC | Hydroxypropyl Methylcellulose |
| FOPPA | First-order Polarization Propagator Approach |
| MMMF | Man-Made Mineral Fiber |
| BLS | Bureau Of Labor Statistics |