| Acronym | Meaning |
| TIM | Technical Information Memorandum - Technical Interchange Meeting - Toxic Industrial Material - Telecom Italia Mobile |
| JD | Jack Daniels (whiskey) - Julian Day - Juris Doctor (Latin |
| AIAA | American Institute Of Aeronautics And Astronautics |
| PV | Petavolt |
| WACC | Weighted Average Cost Of Capital (accounting) |
| NAD | Namibian Dollar (ISO 4217 Currency Code) |
| LAO | Lao Language (ISO 639-2 Code) |
| DXM | DeXtroMethorphan |
| CMOS | Canadian Meteorological And Oceanographic Society - Complementary Metal-Oxide-Semiconductor |
| IR | Infrared - Intelligence Requirement (military) -Iran (FIPS 10-4 Country Code; ISO 3166 Digram) - Iran Air (IATA Alpha Code) See Entry For More |