Semi (prefix)

Half or partly, used as a prefix to form words.

Origin:

From latin semi- ('half').

Examples:

1. The semi-circle is half of a circle.
2. She lives in a semi-detached house.
3. The restaurant offers semi-private dining rooms.
4. The semi-annual sale is held twice a year.
5. The semi-arid climate receives only half the rainfall of a tropical climate.