second phase - set of support
- semipermeable membrane
- semipetrified
- semiquantative
- semiquantitative
- semiquantitative analysis
- semiquantitative method
- semischist
- semisolid
- semisplint coal
- semitransparent
- semitransversal fault
- semitropical
- semitroughed belt
- semivitreous
- semivolcanic
- semivolcanic explosion
- sempatic
- semseyite
- senaite
- senarmontite