| Acronym | Meaning |
 | PCI | U.S. Pacific Islands Trust Territory (ISO 3166 Trigram; Obsolete 1986) -Peripheral Component Interconnect (computer Bus) |
| LPG | Liquefied Petroleum Gas (cf. LNG) |
| TON | Tonga (ISO 3166 Trigram) |
| CFA | Cat Fanciers' Association - Chartered Financial Analyst - Colour Filtering Array - County Fire Authority - Covering Force Area |
| LC2IEDM OR LC?IEDM | Land C2IEDM (q.v.) |
| HMV | His Master's Voice |
| PA | Picoampere |
| LYD | Libyan Dinar (ISO 4217 Currency Code) |
| MI | Malawi (FIPS 10-4 Country Code) - Michigan (postal Symbol) - Midway Islands (ISO 3166 Digram; Obsolete 1986) -Military Intelligence |
| DB | Decibel |
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