| Acronym | Meaning |
| MDQ | Minimum Detectable Quantity |
| SLMO | Symmetry-adapted Semilocalized Molecular Orbital |
| PEMFC | Proton Exchange Membrane Fuel Cell |
| RAL | Recommended Allowable Limit |
| ACBM | Asbestos Containing Building Material |
| DNAPL | Dense Nonaqueous Phase Liquid |
| INDA | Investigational New Drug Application |
| EEL | Environmental Exposure Levels |
| TROLL | Transmitter And Receiver Of Laser Light |
| ITS | Internal Transcribed Spacer |