| Acronym | Meaning |
 | APCR | Armour-Piercing |
| ADDNS | Advanced Deployable Day/Night Simulation |
| DNR | Do Not Resuscitate |
| JO | Jordan (FIPS 10-4 Country Code; ISO 3166 Digram) |
| IMDB | Internet Movie Database |
| IR | Infrared - Intelligence Requirement (military) -Iran (FIPS 10-4 Country Code; ISO 3166 Digram) - Iran Air (IATA Alpha Code) See Entry For More |
| LEN | Large Extension Node |
| LOTA | Licentiate Of The Orthodontic Technicians Association |
| SS | Sand Storm (METAR Code) -Schutzstaffel (Nazi Elite Praetorian Guard) -U.S. Secret Service - Spanish Ship - Stainless Steel - Stockholm Skins -Submarine (US Navy Hull Classification) -Super Sport - Surface-to-Surface (missile) |
| ADT | Atlantic Daylight Time (UTC-3 Hours) |
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