Clay is a general term including many combinations of one or more clay minerals with traces of metal oxides and organic matter. Geologic clay deposits are mostly composed of phyllosilicate minerals containing variable amounts of water trapped in the mineral structure.

Contents

• 1 Formation
• 2 Definition
• 3 Grouping
• 4 Historical and modern uses
  • 4.1 Medical and agricultural uses
  • 4.2 Clay as a building material
• 5 See also
• 6 Footnotes
• 7 References
• 8 External links

Noun

clay (usually uncountable; plural clays)

1. A mineral substance made up of small crystals of silica and alumina, that is ductile when moist; the material of pre-fired ceramics.
2. An earth material with ductile qualities.
3. (tennis) A tennis court surface.

   The French Open is played on clay.

4. (biblical) The material of the human body.
   • 1611. Old Testament, King James Version, Job 10:8-9:

     Thine hands have made me and fashioned me together round about...thou hast made me as the clay.

   • 1611. Old Testament, King James Version, Isaiah 64:8:

     But now, O Lord, thou art our Father; we are the clay, and thou art our potter; and we are the work of thy hand.

5. (geology) A particle less than 3.9 microns in diameter, following the Wentworth scale

Antonyms

• (material of the human body): soul, spirit

Clay is a naturally occurring material composed primarily of fine-grained minerals, which show plasticity through a variable range of water content, and which can be hardened when dried and/or fired.

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Scratches Answers (Remove Scratches, Remove the Scratches ...
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Arts: Crafts: Modeling Compounds: Polymer Clay ...
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Arts: Crafts: Ceramic Art and Pottery: Stoneware ...
Teapots are vitrified clay, stoneware clay that was reduction fired at Cone 10. Image galleries and contact details. Michael Palmer ...

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Arts: Crafts: Ceramic Art and Pottery: Tiles
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