| Acronym | Meaning |
 | PEGC | Phonon Glass Electron Crystal |
 | OECD | Organization For Economic Cooperation And Development |
 | PMS | Premenstrual Syndrome |
 | FIBOS | Focused Ion Beam Optical Spectroscopy |
 | MR-CI-PS | Multireference-CI-perturbatively Selected |
 | SFR | Star Formation Rate |
 | IAQ | Indoor Air Quality |
 | TUES | Tubingen Ultraviolet Echelle Spectrometer |
 | RFIE | Reverse Flow Ion Exchange |
 | CGI | Combustible Gas Indicator |