Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. clay
8. [clay by product]

Narrower term/s

• architectural terracotta
• glazed terracotta

Anotations

Scope note:

A baked or semi-fired material that is usually a mixture of clay, grog, and water; it has been used for pottery, statuettes, lamps, roof tiles, and cornices since ancient times. It may be glazed prior to firing. To produce an item, terracotta is molded or shaped, dried for several days then fired to at least 600 C. It is fireproof, lighter in weight than stone, and usually brownish red in color.