| Acronym | Meaning |
| NL | Netherlands (ISO 3166 And FIPS 10-4 Country Code Digram) - Newfoundland And Labrador (postal Symbol) |
| PINF | People In Need Foundation (Czech Charitable Organisation) |
| PID | Pelvic Inflammatory Disease -Plan Identification Number - Positive Identification - Procedural Identification -Procurement Identification Description |
| IIRC | If I Recall/Remember Correctly |
| BGR | Bulgaria (ISO 3166 Trigram) |
| ZWE | Zimbabwe (ISO 3166 Trigram) |
| TLAR | That Looks About Right (chat Shorthand) - Transporter-Launcher And Radar |
| FW | Femtowatt |
| MDO | Membership Driven Organisation |
| DPA | UK Defence Procurement Agency |