| Acronym | Definition |
|---|
| RCWA➣Rigorous Coupled-Wave Analysis |
| RCWA➣Richland Creek Watershed Alliance (Nashville, TN) |
| RCWA➣Revised Code of Washington Annotated |
| RCWA➣Redwood Coast Watersheds Alliance (California) |
| RCWA➣Residue-Class-Wise Affine (mathematics) |
| RCWA➣Rogers County Wireless Association (Claremore, OK) |
| RCWA➣Robert Carl Williams Associates (Pittsfield, VT) |