| Acronym | Meaning |
| PHL | Philippines (ISO 3166 Trigram) |
| CMA | U.S. Chemical Materials Agency |
| POTS | Plain Old Telephone Service (cf. PANS) - Postural Orthostatic Tachycardia Syndrome |
| DAWN | (U.S.) Drug Abuse Warning Network |
| LV | Las Vegas -Latvia (ISO 3166 Digram) -Launch Vehicle - Leading Vehicle -Leave -Left Ventricle - Level Valve - Linking Verb |
| SNCF | Soci?t? Nationale Des Chemins De Fer Fran?ais (French For French Railways National Society) |
| BAK | Bashkir Language (ISO 639-2 Code) |
| ELL | Greek Language (ISO 639-2 Code) |
| PR | Public Relations -Puerto Rico (postal Symbol; ISO 3166 Digram) |
| FL | Femtolitre |