US also prebuilt, [informal] prefab [adjective] [not gradable] - (esp. of buildings) built from parts which have been made in a factory and can be put together quicklyThe council is using prefabricated houses as temporary accommodation for homeless families who urgently need housing.
PREFABRICATED
Meaning of PREFABRICATED in English
Cambridge English vocab. Кембриджский английский словарь. 2012