| Acronym | Meaning |
| BTDC | Before Top Dead Center |
| CEIS | Center For Environmental Information And Statistics (EPA) |
| TFEL | Thin-film Electroluminescence |
| MSAPC | Mobile Source Air Pollution Control |
| BIND | Biomolecular Interaction Network Database |
| CIAQ | Council On Indoor Air Quality |
| NAPL | Nonaqueous Phase Liquid |
| ACE | Alliance For Clean Energy |
| BMAW | Bare Metal Arc Welding |
| PFWM | Parametric Four-wave Mixing |