| clay |
Clay is a mineral soil separate, produced through chemical weathering of rock. It is less than 0.002mm in size. Clay refers to the soil texture class containing >40% clay, <45% sand and <40% silt. The clay soil texture class in Ottawa is highly cohesive, plastic and elastic making it difficult to work with, but it holds nutrients extremely well making it a fertile soil once it is loosened with organic matter.
출처: www.ottawa.ca/residents/healthy_lawns/lawns/links/...
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| clay |
the basic material for all ceramic ware is clay, a soft earth that is plastic, or may be molded with the hands, consisting of hydrated silicates of aluminum. It is the result of the wearing down and decomposition, in part, of feldspathic rocks containing aluminous minerals, such as granite.
출처: www.gardinermuseum.on.ca/edugloss.aspx
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| clay |
soil type composed of small particles, usually reddish to gray in color.
출처: www.sd5.k12.mt.us/glaciereft/geogloss.htm
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| clay |
An earthy, mud-like sediment composed of very fine particles of minerals. Pliable when moist, but becomes hard when dry or fired. Commonly used to make brick, tile, and pottery. Generally found in the Piedmont and Coastal Plain provinces of Virginia.
출처: www.luckstonerock.com/glossary.html
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| clay |
the target shot at in trap or skeet. An inverted saucer-shaped object, generally made of powdered limestone and pitch. Regulations specify it is 4 5/16 in diameter, 11/8 high and weighs 3 1/2 ounces, with an allowable variation of 5% from this latter figure.
출처: www.traphof.org/media/glossary.htm
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