sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| surgically induced necrotising sclerokeratitis | ** |
| surgically induced necrotizing scleritis | ** |
| Secure Infrastructure for Networked Systems | ** |
| Ship Integrated Navigation System | ** |
| Ship Inertial Navigation System | ** |
| Statewide Integrated Narcotics System | ** |
| Ship's Internal Navigation System | * |
| Shipborne Inertial Navigation System | * |
| Southern Improved NADGE Site | * |