| Acronym | Meaning |
 | ZUG | Z User Group |
 | ISS | International Shorebird Survey (North America) - International Space Station |
 | ABPI | Association Of The British Pharmaceutical Industry |
 | ROH | Ring Of Honor |
 | MSIE | Microsoft Internet Explorer - Master Of Science In Industrial Engineering |
 | IRQ | Iraq (ISO 3166 Trigram) |
 | GE | General Electric - Genetic Engineering (cf. GM) -Georgia (ISO 3166 Digram) |
 | CPU | Central Processing Unit |
 | PSI | Portable Source Initiative |
 | SCRAM | Safety Control Rod Axe Man |