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Results for tempering:

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fiber-tempered pottery
SYNONYMS OR RELATED TERMS: fiber tempering
CATEGORY: ceramics
DEFINITION: Any clay pottery to which grass or root fibers have been added as a tempering material. This ware is the earliest pottery in Caribbean South America and is the oldest pottery in the United States, making its appearance in Archaic shell mounds in Georgia and Florida before 2500 BC.
grit tempering
CATEGORY: ceramics
DEFINITION: The addition of small pieces of rock or sand to the paste used in creating a ceramic object.
grog tempering
CATEGORY: ceramics
DEFINITION: The addition of small pieces of crushed ceramic to the paste used in creating a ceramic object.
shell tempering
CATEGORY: ceramics
DEFINITION: The addition of small pieces of crushed shell to the paste used in creating a ceramic object.
tempering
CATEGORY: geology; ceramics
DEFINITION: One of the processes in the manufacture of steel and other metal artifacts, the heat treatment of hardened steels to improve toughness and reduce brittleness. The steel is reheated to a temperature of around 450? C and then rapidly cooled by quenching. Also, the material added to the paste of a ceramic to make it stronger and give it properties it does not naturally have.

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