| Acronym | Definition |
|---|
| RWIS➣Road Weather Information System |
| RWIS➣Reporter Wireless Intercom System (telecommunications) |
| RWIS➣Raw Water Intake Structure |
| RWIS➣Restraint Plus Water-Immersion Stress |
| RWIS➣Rockford Wheels in Scale (car modeling club; Rockford, IL) |
| RWIS➣Rectangular Windowed Integration Sampler |