| Acronym | Meaning |
 | HD | Henry Draper (star Catalogue) - Hull-Down (armoured Vehicle Target |
| MMPR | Mighty Morphin Power Rangers |
| DST | Daylight Saving Time |
| CIR | Corotating Interaction Region |
| NDE | Northern Ndebele Language (ISO 639-2 Code) |
| RFL | Restrictive Fire Line (military) |
| IAS | Image Assessment System |
| ZA | South Africa (ISO 3166 Digram) - Zambia (FIPS 10-4 Country Code) - Zettaampere |
| AT&T | American Telephone And Telegraph (U.S. Company |
| IBO | Igbo Language (ISO 639-2 Code) |
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