| Acronym | Meaning |
 | ISS | International Shorebird Survey (North America) - International Space Station |
| SZL | Swaziland Lilangeni (ISO 4217 Currency Code) |
| SE | Northern Sami Language (ISO 639-1 Code) |
| CLOS | Common Lisp Object System |
| SNA | Shona Language (ISO 639-2 Code) |
| JN | Jan Mayen Island (FIPS 10-4 Territory Code) |
| YL | Yoctolitre |
| ISAR | Inverse SAR (Synthetic Aperture Radar) |
| DRIC | (U.S.) Defense Research Information Center |
| ES | Einsteinium - Exasecond |
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