| Acronym | Meaning |
 | YL | Yottalitre |
| CNR | Canadian National Railway - Combat Net Radio |
| BAM | Business Activity Monitoring -Bosnia And Herzegovina Convertible Mark (ISO 4217 Currency Code) |
| SRB | Solid Rocket Booster |
| UPU | Universal Postal Union |
| TOMS | Total Ozone Mapping Spectrometer (satellite Instrument) |
| EHF | Extremely High Frequency |
| MKT | Missouri-Kansas-Texas Railroad (1865-1989) - Mortal Kombat Trilogy |
| IELTS | International English Language Testing System |
| SARP | Search And Rescue Processor |
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