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Ceramics

term describing anything made of clay. it can be pottery or sculpture.

pottery

loosely applied term for functional objects made of clay.

clay

a fine particle of decomposed granite that is plastic and can be formed.

porosity

tiny pores in the clay to allow the escape of water during drying and firing.

Plasticity

a property of clay that allows it to receive and retain form.

Earthenware

low-fire clay, usually red or brown, not- vitreous and porous. it is usually fired to 1800 degrees.

stoneware

high fire ceramics, usually tan or gray, non- porous. it is usually fired to about 2400 degrees.

plastic

clay that is moist and workable it can still be shaped and added onto.

greenware

any clay object that has not been fired.

vitrified

the stage where the clay body melts, becomes glass- like and waterproof.

Glazeware

clay that has been fired with a glass- like material, which makes it waterproof.

collaring

the process of making the clay narrower on the wheel as in a bottle form.

pulling

used for creating handles. use of water and movement as the clay is squeezed through the hands

loop tool

a versitile tool used for trimming, carving and removing clay material from a ceramic piece.

calipers

an insturment used to measure the inside and outside diameter of an object.

rasp

a tool for shaving and smoothing leather- hard clay.

excising

cutting the background or negative space and leaving the positve space intact.

additons

using clay coils, slabs, balls, bottons, or slip to enhance a pot.

cones

small clay forms that are compounded to bend and melt at specific temperatures. used to measure the temperature while firing.

stilt

a ceramic tripod where glaze ware is set in the kiln to prevent form sticking.

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