1. Word List: hemi-, semi half, half way

2. hemisphere one-half of the Earth as divided by the equator

3. semiannual occurring twice a year; happening once every half year

4. semiarid relating to a halfway dry region; somewhat arid; having little annual rainfall

5. semicircle a half circle

6. semiconscious halfway conscious; not completely aware of sensations

7. semiformal halfway between casual and formal in dress

8. semisweet halfway between bitter and sweet; partly sweet

9. semiweekly occurring twice a week; once every half week