CIR
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| CIR | Cylindrical Internal Reflection | - | Computer Acronyms(common) |
| CIR | Committed Information Rate | - | Human Genome |
| CIR | Cargo Integration Review | - | Organizations |
| CIR | Circle | - | Organizations |
| CIR | Circulate | - | Organizations |
| CIR | Configuration Inspection Report | - | Organizations |
| CIR | (Commander's) Critical Information Requirements | - | Astronomy |
| CIR | Corotating Interaction Region | - | Astronomy |