sem·i·an·nu·al 
(sĕm′ē-ăny-əl, sĕm′ī-)
(sĕm′ē-ăny-əl, sĕm′ī-)adj.
Occurring or issued twice a year.
sem′i·annu·al·ly adv.
- scandium
- scandium oxide
- scannable
- scanner
- scanning electron microscope
- scanning force microscope
- scanning probe microscope
- scanning tunneling microscope
- scansion
- scansorial
- scant
- scantily
- scantiness
- scantling
- scantly
- scantness
- scanty
- Scapa Flow
- scape
- scape
- scape
- scapegoat
- scapegrace
- scaphocephalic
- scaphocephaly