CHAPTER 2
Terms
- BASE - the bottom section of the
pot
- BISQUE - Piece that has gone
through the first firing
- BODY - the main part of the piece
you are building
- BONE DRY - completely dry (hold it
up to your face and it doesn\rquote t feel cold)
- CLAY - a mixture of minerals with
plastic qualities that turns to stone-like when fired
- COIL - clay formed into rolls like
ropes
- EARTHENWARE - pottery final fired
at low temperature will not hold water unless glazed
- FIRE - heating clay to a specific
temperature to change chemical bonds
- GLAZE - a glossy, lustrous or dull
surface put on pottery before final firing basically ground glass and
colorants
- GREENWARE - dry pottery that have
not been fired
- KILN - an oven that reaches
temperatures over 2000 degrees to fire pottery
- LEATHER DRY - the first stage in
drying when the clay becomes stiff but still flexible like leather
- MOIST - clay is in good condition
to work can be shaped easily without cracks appearing on the edges
- MOLD - something to form clay in
or around
- PADDLE - gently slap clay to form
or texture a piece (relieves stresses and brings air bubbles to surface)
- PINCH POT - ball of clay formed
into a shape by pinching
- PLASTIC(ity) - a quality of clay
in moist or leather hard stage that allows it to be shaped, and keeps
it's form until dry
- PYROMETRIC CONES - small clay
cones used to indicate the kiln temperature by melting. Also used when
buying clay so you know what temperature to fire your clay
- CONE - a term used to indicate the
temperature that the clay will mature example 04, 02, 1, 2...
- SCORE - scratch small lines, cross
hatching in clay for attaching parts
- SLAB - flat sheets of clay rolled
or sliced
- SLIP - water and clay mixed to a
creamy blend
- STONEWARE - pottery final fired to
higher temperature will hold water without glaze
- TERRA-COTTA - similar to
earthenware but not usually glazed
- TEXTURE - a surface decoration
- VITRIFICATION - the point in final
firing when clay becomes stone-like
- WEDGING - slamming and kneading
clay to remove air bubbles, blend the clay to a uniform state, and make
ready to work
- WET - clay that will stick to your
hands and surfaces
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