| Acronym | Meaning |
| ACEL | A.c. Electroluminescent |
| ROP | Ring-opening Polymerization |
| LTO | Laguerre-type Orbital (an Ao) |
| HRXRD | High Resolution X-ray Diffraction |
| NLET | National Laboratory For Environmental Testing |
| CELDS | Computer Aided Environmental Legislative Data System |
| URT | Upper Respiratory Tract |
| LMSAL | Lockheed Martin Solar And Astrophysics Laboratory |
| CMAQ | Community Multiscale Air Quality |
| ASPERA | Analyzer Of Space Plasma And Energetic Atoms (Mars Express Spacecraft) |