Radial
- Axial (disambiguation)
- Radial (radio)
- Radial arm saw
- Radial artery
- Radial axle
- Radial compressor
- Radial delayed blowback
- Radial distance (geometry)
- Radial engine
- Radial nerve
- Radial set
- Radial symmetry
- Radial tire
- Radial, Inc.
- Radiate (disambiguation)
- Radius
- Radius (bone)
- VHF omnidirectional range
- Vector (geometric)