| Acronym | Meaning |
| OP CIT | Opere Citato (Latin |
| BCPL | Basic Combined Programming Language (progenitor Of C) |
| APA | (i) American Psychiatric Association |
| KON | Kongo Language (ISO 639-2 Code) |
| SECDEF | (U.S.) Secretary Of Defense |
| METL | Mission Essential Task List (mettle) |
| SM | Samoan Language (ISO 639-1 Code) |
| HU | Hungarian Language (ISO 639-1 Code) |
| NIDDK | National Institute Of Diabetes And Digestive And Kidney Diseases |
| DP | Division De Production (Algerian Petroleum Company) |