GRIN
| Acronym | Definition |
|---|---|
| GRIN | Germplasm Resources Information Network |
| GRIN | Graded Indices |
| GRIN | Gradient-Index (field in optics) |
| GRIN | Graded Index (type of fiber optic) |
| GRIN | Great Images in NASA (website) |
| GRIN | Golden Retrievers in Need (Cleveland, OH) |
| GRIN | Grand Rapids Information Network (TV station) |
| GRIN | Grand River Information Network (Canada) |
| GRIN | Greek Inventory |
| GRIN | Genetics, Robotics, Information & Nanotechnology |