volcabulary Flashcards

1
Q

ceramic

A

having to do with clay or glass or the making of objects from clay or glass

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2
Q

slip

A

clay that has been watered down

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3
Q

score

A

to draw or make lines in clay

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4
Q

slip/score technique

A

method used in hand building to connect two pieces of clay together

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5
Q

wedging

A

is the process of kneading the clay so as to remove air pockets and create uniform consistency of clay.

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6
Q

coil method

A

one of the oldest ways to make clay.

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7
Q

stone ware

A

high-fire clay.

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8
Q

slab

A

a flattened out piece of clay

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9
Q

bone dry

A

clay that is completely dry but not fired

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10
Q

green ware

A

a term used to describe unfired clay objects in general

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11
Q

bisque ware

A

clay objects that have been fired for the first time and without any glaze applied to them

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12
Q

glaze ware

A

bisque ware that has been glazed then fired

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13
Q

fettling knife

A

A special knifelike tool with a fairly flexible blade for cutting into moist and leather-hard clay.

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14
Q

loop tool

A

A special tool with a wooden handle and a wire loop at one or both ends, used for carving and hallowing out clay forms.

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15
Q

Sprigging-on

A

A term used to describe the technique of adding small clay forms as decoration on the surface of pottery forms.

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16
Q

incising

A

A decoration technique, created by carving lines into the clay or carving small areas out of the clay but not perforating it.

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17
Q

kiln

A

A furnace designed specially for heating clay to temperatures necessary to make it permanently hard and stone like. Kilns can be electric, natural gas, wood, cool, fuel oil or propane. Materials used to heat the kiln can effect the work: wood ash can build up on the surfaces of a piece and form a glaze at high temperatures. Some potters introduce chemicals into the kiln to influence the effects of the firing. Famed ceramist Beatrice Wood achieved a luster effect by throwing mothballs into the kiln.

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18
Q

element

A

The heating coils of an electric kiln.

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19
Q

footing

A

The bottom of a piece that rests upon a surface. There are 2 kinds: raised and flush.

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20
Q

Firing

A

Clay is hardened by heating it to a high temperature, fusing the clay particles . Primitive pottery is usually fired on the ground or in pits with whatever flammable materials are available. Kilns allow a more efficient use of materials and more control over the atmosphere during a firing. Firing has 2 basic atmospheres. Oxidation and reduction, these 2 atmospheres will affect the color of the final piece.

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21
Q

glaze

A

Glass-forming chemicals, usually with colorants added, that applied in liquids form to bisque ware and fired in a kiln, for a pleasing, usually glossy coating to the surface of the clay. Glaze can be colored, opaque, translucent or matte.

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22
Q

slip clay

A

Clay in a liquid form.

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23
Q

bat

A

A plaster disc or a slab for clay work.

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24
Q

casting

A

A clay made from a mold. May also be referred to “plaster casting.”

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25
Q

casting slip

A

A liquid clay used in the process of forming objects with molds. Also referred to as “slip.”

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26
Q

china

A

A term which usually to bone china in England, but also associated with vitreous white wares and porcelain.

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27
Q

conditioning coat

A

A thin coat of color that will soak into the green ware or bisque ware.

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28
Q

cone

A

A mixture of ceramic materials that is designed to soften and bend when the proper mixture of time and temperature is reached in the interior of the kiln.

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29
Q

Cone Plaque

A

Is a small clay cone holder used when cones are placed on the shelf of the kiln to stand.

30
Q

Cone Temperature

A

Is the mixture of time and temperature at which the cone will bend to show the kiln’s temperatures on the shelf.

31
Q

Earthenware

A

A low fire clay body which is fired to maturity at approx. 2000 degrees F.

32
Q

Food-Safe

A

A product that has been tested and determined to be safe for use on surface which come in contact with food or drink.

33
Q

Foot

A

The base or the part of the piece of ceramic on which it rests.

34
Q

Gloss

A

A shiny, glass-like finish.

35
Q

Kiln Wash

A

The refractory coating applied to the top of the kiln shelves to protect them from glaze drips.

36
Q

Leather-Hard

A

Greenware that is allowed to become firm but still retains its wet look.

37
Q

Matte

A

A soft finish with little or not shine.

38
Q

Opaque

A

Color which does not allow other colors to show through.

39
Q

Peep Holes

A

Small holes in the side of the kiln used for viewing shelf cones and ventilating the kiln during the final process.

40
Q

Pin Holes

A

Tiny holes in the final surface finish of a glaze or Underglaze.

41
Q

Plasticity

A

Refers to the ability of clay to be formed into a shape and retain it.

42
Q

Posts

A

Articles made of refractory material which support kiln shelves during firing.

43
Q

Semi-Matte

A

A satin-like surface which has a light sheen to it.

44
Q

Semi-Opaque

A

Colors that generally allow only dark colors to show through.

45
Q

Semi-Transparent

A

slightly colored and/or speckled colors which allow most colors to show through with a slight distortion.

46
Q

Shelf Cone Temperature

A

The cone temp that is fires on the shelf of a kiln. The amount of heating the ware actually receives.

47
Q

Sponge

A

Usually refers to a natural sponge used for cleaning and decoration greenware. There are also synthetic sponges available for ceramists.

48
Q

Transparent

A

Clear base colors which are free from cloudiness or distortion.

49
Q

Under Glaze

A

A color which is usually applied to greenware and in most cases is covered with a glaze.

50
Q

Vent Holes

A

Small holes made by puncturing the wet greenware with a needle tool when 2 pieces of ware have been attached. These holes allow air and gases to escape during firing. Also refers to the peep holes in the side of the kiln.

51
Q

Pinch Pots

A

Starting with a ball of clay the potter opens a hole into the ball and forms a bowl shape through a combination of stroking and pinching the clay. Many coil-built pieces are constructed on top of a pinched bottom.

52
Q

Terra Cotta

A

A brownish-orange earthenware clay body commonly used for ceramic sculpture.

53
Q

Wheel Thrown

A

The term throw comes from Old English meaning spin. A piece of clay is placed on a potter’s wheel head which spins. The clay is shaped by compression while it is in motion. Often the potter will use several thrown shapes together to form one piece .

54
Q

Handbuilding

A

Term refers to the 1 of several techniques of building pots using only the hands and simple tools rather than the potter’s wheel.

55
Q

Pinch

A

Method of shaping clay by inserting the thumb of the 1 hand into the clay and lightly pinching with the thumb and fingers while slowly rotating the ball in the palm of the other hand.

56
Q

Molding

A

Technique.where flat slabs of clay are pressed into molds in order to create various shapes and forms.

57
Q

Score and Slip

A

Joining to pieces of clay together. 1st score the clay then wet the scored area and stick the 2 pieces together. do this while the leather is hard.

58
Q

Stages of Dryness

A

When speaking of clay, we refer to 3 basic stages of dryness: wet, leather hard and bone dry.

59
Q

Sgraffito

A

A decorating technique developed centuries ago. In its simplest embodiment, leather hard clay is coated with an engobe or slip of contrasting color and then a pattern is added by carving through or scraping off the slip to reveal the clay underneath

60
Q

Wax Resist

A

Decorative technique , patterns are created by brushing a wax medium over an area of clay, slip or glaze to resist the final glaze application when the wax is dry.

61
Q

Stamping

A

Technique of pressing forms into the clay to get decorative effects.

62
Q

Majolica

A

Consists of firing the earthenware piece then applying a tin enamel that upon drying forms a white opaque porous surface. A design is painted on and the a clear glaze.

63
Q

Mille Fiore

A

Creating designs by folding different colored clays together into rods then sliced.

64
Q

Bisque

A

ceramic wares that have been fired once without a glaze.

65
Q

Reductions

A

Kiln firing where there is not enough oxygen to consume the carbonemanating from the heated clay causing carbon monoxide to form and it changes the colors.

66
Q

Oxidation

A

Kiln with full supply of oxygen.

67
Q

Raku

A

Method of firing pottery that takes a ceramic piece in its saw state and quickly takes the temp to 2000 degrees.

68
Q

Mouth

A

Opening at the top of a vase.

69
Q

Neck

A

The narrower part that leads to the mouth of a vase.

70
Q

Body

A

This is the main part of the vase. Usually the larger part.

71
Q

Foot

A

This is the part of the vase that meets the floor.