Ceramics - Vocabulary 5

process in which clay has been fired once without glaze; -ware has the ability to absorb moisture but does not break down. 0 percent water.

• bisque

• bisque fire

• biscuit

• bone dry

also known as biscuit firing, primary firing to harden the clay body prior to glazing, slip can be used in a bisque firing.

• first firing

• bisque fire

• fire

• preheat

clay that has been fired once.

• glaze fire

• green-ware

• bisque-ware

• stone-ware

a stage in which clay reaches when majority of the moisture has left the body leaving the clay hard and brittle, air dried, clay is ready for bisque firing stage. 2 percent water.

• leather hard

• bone dry

• bisque

• fired

to heat a clay object in a kiln to a specific temperature.

• fire

• furnace

• free range

• heatoven

a colored, liquid coating applied to the clay body after bisque firing.

• paint

• acrylic

• moisture

• glaze

low-fire red, buff, or white clay, porous and chips easily, fired below cone 03.

• bisqueware

• stoneware

• porcelain

• earthenware

unfired pottery, from wet to bone dry, that has not been bisque fired.

• greenware

• stoneware

• bisqueware

• terra cotta

clay which has been fired and then ground into granules of more or less fineness. Often added to clay bodies along with sand to reduce shrinkage, assist in building large pieces.

• slip powder

• grog

• sand powder

• support

made from kaolin clay, very high firing clay, white and translucent color when fired, finer quality piece. Difficult to work with.

• grog

• porcelain

• terra cotta

• stoneware