| Acronym | Meaning |
| UPU | Universal Postal Union |
| NAICS | North American Industry Classification System |
| TRL | Technology Readiness Level |
| MPEG | Motion Pictures (Coding) Experts Group |
| DAWN | (U.S.) Drug Abuse Warning Network |
| IMRI | Industrial Membrane Research Institute - Information Management Research Institute - Institut Pour Le Management De La Recherche Et De L?innovation (French |
| SVD | Svenska Dagbladet (Swedish Newspaper) |
| CAC | California Association Of Criminalists - Chronic Asymptomatic [Disease] Carrier |
| CMM | Capability Maturity Model |
| B?C | Blue ?yster Cult |