| Acronym | Meaning |
 | ASM | Assamese Language (ISO 639-2 Code) |
| IT | Italian Language (ISO 639-1 Code) |
| FRS | Fellow Of The Royal Society - U.S. Federal Reserve System |
| BUR | Burma (ISO 3166 Trigram; Obsolete Since 1989) |
| R&S | Reconnaissance & Surveillance |
| EN | Corps Of Engineers -Estonia (FIPS 10-4 Country Code) - Exanewton |
| FAS | Persian Language (ISO 639-2 Code) |
| KUA | Kuanyama Language (ISO 639-2 Code) |
| SSS | Siding Spring Survey - Side Side Side (an Acronym For Remembering Congruent Triangles) |
| ROS | Reactive Oxygen Species |
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