| Acronym | Meaning |
| OCFS | Oracle Cluster File System |
| DHA | DocosaHexaenoic Acid |
| ZS | Zettasecond |
| HL | Holding Line |
| HND | Honduras (ISO 3166 Trigram) |
| SNU | Solar Neutrino Unit |
| IAB | International Association For Biologicals |
| TON | Tonga (ISO 3166 Trigram) |
| HG | Mercury (Latin Hydrargyrum) |
| KRW | South Korean Won (ISO 4217 Currency Code) |