| Acronym | Meaning |
| FPLA | Field-programmable Logic Array |
| MSA | Methanesulfonic Acid (air Pollutant) |
| LAPIS | Linden Atmosphere/Phytosphere Interaction Study |
| POF | Plastic Optical Fiber |
| SRTC | Savannah River Technology Center |
| PLC | Planar Lightwave Circuit |
| SLI | Starter Light Ignition (lead Batteries) |
| FCHL | Familial Combined Hyperlipidemia |
| HEASARC | High Energy Astrophysics Science Archive Research Center |
| MLT | Magnetic Local Time |