| Acronym | Meaning |
| ZL | Zeptolitre |
| NI | Nicaragua (ISO 3166 Digram) - Nigeria (FIPS 10-4 Country Code) |
| RDT | Remote Digital Terminal |
| UCR | University Of Costa Rica |
| RSR | Required Supply Rate |
| WO | Wolof Language (ISO 639-1 Code) |
| P | Peta - Phosphorus |
| SME | Scan Mirror Electronics - Subject Matter Expert |
| KV | Komi Language (ISO 639-1 Code) |
| RERC | Rehabilitation Engineering Research Center |