| Acronym | Meaning |
| PHA | PolyHydroxyAlkanoate -Potentially Hazardous Asteroid |
| LDMOS | Lateral Double-diffused MOS Transistor (ell-dee-moss) |
| ABSTRIPS | Abstraction-Based STRIPS |
| OJ | Anishinaabe Language (Ojibwa) (ISO 639-1 Code) |
| FITS | Flexible Image Transport System |
| CT | Canton And Enderbury Islands (ISO 3166 Digram; Merged Into KI In 1984) - Central African Republic (FIPS 10-4 Country Code) - Connecticut (postal Symbol) |
| ME | Maine (postal Symbol) -Mechanical Engineer[ing] - Medical Examiner - Middle East -Middle East Airlines (IATA Code) -Memory Effect - Myalgic Encephalomyelitis |
| CIS | Canadian Interuniversity Sport - Commonwealth Of Independent States - Command And Information System - Communication And Information System |
| GAAR | General Anti-Avoidance Rule (tax Evasion) |
| ECJ | European Court Of Justice |