GR
| Abbreviation | Meaning | Tamil Meaning | Category |
|---|---|---|---|
| GR | General Relativity | - | Atmospheric Research Center |
| GR | Glucocorticoid Receptorpar | - | Computer Acronyms(common) |
| GR | Glutathione Reductasepar | - | Computer Acronyms(common) |
| GR | Ground R@le | - | Organizations |
| GR | Greece (FIPS 10-4 Country Code; ISO 3166 Digram) - Hail (METAR Code) | - | Astronomy |