sphe - stag
- sphere
- sphere gap
- spherical
- spherical area
- spherical bearing
- spherical bushing
- spherical cap / segment
- spherical cone / sector
- spherical function
- spherical harmonic; spherical solid harmonic; spherical surface harmonic
- spherical joint
- spherical seat
- spherical seat washer
- spherical shutter
- spherical surface
- spherical tank
- spherical thrust bearing
- spherical triangle
- spherical trigonometry
- spherical turning
