Definition: A self-contained constructed feature used by one or more households as a home, such as a house, apartment, mobile home, houseboat or other 'substantial' structure. A dwelling typically includes nearby outbuildings, sheds etc. within the curtilage of the property
Definition: A group of hydrous aluminium phyllosilicate (phyllosilicates being a subgroup of silicate minerals) minerals (see clay minerals), that are typically less than 2micrometres in diameter. Clay consists of a variety of phyllosilicate minerals rich in silicon and aluminium oxides and hydroxides which include variable amounts of structural water.
