| Acronym | Meaning |
| PC | Petacoulomb - U.S. Pacific Islands Trust Territory (ISO 3166 Digram; Obsolete 1986) -Personal Computer - Player Character (roleplaying) - Politically Correct / Political Correctness - Post Cibum (Latin |
| BE | Belarusian Language (ISO 639-1 Code) |
| CGT | Capital Gains Tax |
| MEMS | Microelectromechanical System |
| MEF | U.S. Marine Expeditionary Force - Minimum Essential Facility - Mission Essential Force |
| RBI | Runs Batted In |
| FSM | Federated States Of Micronesia (ISO 3166 Trigram) |
| TL | Thallium |
| ICZN | International Code Of Zoological Nomenclature - International Commission On Zoological Nomenclature |
| IMLAST | International Movement For Leisure Activities In Science And Technology - See MILSET |