Prefab (noun)

A building or structure that has been constructed in advance, typically in a factory, and then assembled on site.

Origin:

From pre- ("before") + fabricate ("to make, construc.t")

Examples:

1. The company specializes in prefab homes and modular buildings.
2. The prefab was assembled on site in just a few days.
3. The prefab was built to withstand extreme weather conditions.
4. Prefab buildings are becoming increasingly popular for their cost-effectiveness and speed of construction.
5. He was living in a prefab while waiting for his permanent house to be built.