| Acronym | Meaning |
 | SI | Slovenia (ISO 3166 And FIPS 10-4 Country Code Digram) -Socialist International - Sports Illustrated - Syst?me International (French |
| ATSDR | Agency For Toxic Substances And Disease Registry |
| INA | Interlingua Language (ISO 639-2 Code) |
| SL | Slovenian Language (ISO 639-1 Code) |
| BOB | Boliviano (ISO 4217 Currency Code) |
| IMRI | Industrial Membrane Research Institute - Information Management Research Institute - Institut Pour Le Management De La Recherche Et De L?innovation (French |
| LBJ | Lady Bird Johnson - Light Bulb Joke - Little Beagle Johnson (LBJ's Dog) - Lyndon Baines Johnson |
| CU | Copper (Latin Cuprum) |
| CSICOP | Committee For The Scientific Investigation Of Claims Of The Paranormal (became The Committee For Skeptical Inquiry In 2006) |
| AADD | Atlanta Alliance On Developmental Disabilities |
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