| Acronym | Meaning |
 | PK | Picokelvin |
| NEM CON | Nemine Contradicente (Latin |
| RCA | Radio Corporation Of America - Root Cause Analysis - Royal Canadian Artillery - Royal City Avenue (famous Entertainment Zone In Thailand) |
| CHE | Chechen Language (ISO 639-2 Code) |
| YK | Yoctokelvin |
| COCOM | Combatant Command (military) |
| AIDS | Acquired Immune Deficiency Syndrome |
| EBW | Electron Beam Welding |
| ADA | Air Defence Artillery - American Dental Association - Assistant District Attorney - Americans With Disabilities Act (see Also The Similar But Non-acronymic Ada Programming Language) |
| TU | Technische Universit?t (German For Technical University) - Thammasat University (Thailand) -Turkey (FIPS 10-4 Country Code) |
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