RIS
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| RIS | Radiation-induced Segregation | - | Computer Acronyms(common) |
| RIS | Resonance Ionization Spectrometry | - | Computer Acronyms(common) |
| RIS | Rotational Isomeric State | - | Computer Acronyms(common) |
| RIS | Reporting Identification Symbols | - | Organizations |
| RIS | Range Instrumentation System | - | Astronomy |