| Acronym | Meaning |
| SC | Scandium |
| UNCTAD | United Nations Conference On Trade And Development |
| QUIET | Q And U Imaging ExperimenT (Q And U Are The Stokes Parameters Of The CMBR Polarization) |
| NMSG | NATO Modelling And Simulation Group |
| ERI | Eritrea (ISO 3166 Trigram) |
| OSETI | Optical SETI |
| LV | Las Vegas -Latvia (ISO 3166 Digram) -Launch Vehicle - Leading Vehicle -Leave -Left Ventricle - Level Valve - Linking Verb |
| TANJ | There Ain't No Justice (used As Expletive In The Ringworld Novels) |
| JREF | James Randi Educational Foundation |
| AVIM | Aviation Intermediate Maintenance |