
Devitrification is the process of crystallization in a formerly crystal-free (amorphous) glass. The term is derived from the Latin vitreus, meaning glassy and transparent. ==Devitrification in glass art== Devitrification occurs in glass art during the firing process of fused glass whereby the surface of the glass develops a whitish scum, crazing, ...
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http://en.wikipedia.org/wiki/Devitrification

• (n.) The act or process of devitrifying, or the state of being devitrified. Specifically, the conversion of molten glassy matter into a stony mass by slow cooling, the result being the formation of crystallites, microbites, etc., in the glassy base, which are then called devitrification products.
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http://thinkexist.com/dictionary/meaning/devitrification/

process by which glassy substances change their structure into that of crystalline solids. Most glasses are silicates (compounds of silicon, oxygen, ... [4 related articles]
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http://www.britannica.com/eb/a-z/d/39

the process in which a glass (noncrystalline or vitreous solid) transforms to a crystalline solid
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http://www.chemicalglossary.net/definition/536-Devitrification

the process in which a glass (noncrystalline or vitreous solid) transforms to a crystalline solid
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http://www.encyclo.co.uk/local/20089
De·vit`ri·fi·ca'tion noun The act or process of devitrifying, or the state of being devitrified. Specifically, the conversion of molten glassy matter into a stony mass by slow cooling, the result being the formation of crystallites, microbites, etc., in the glassy base, which are then called
devitri...Found on
http://www.encyclo.co.uk/webster/D/54

devitrification, devitrifiable 1. The act or process of devitrifying, or the state of being devitrified; specifically, the conversion of molten glassy matter into a stony mass by slow cooling, the result being the formation of crystallites, microbites, etc, in the glassy base, which are then called devitrification products. 2. The process whereby ...
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http://www.wordinfo.info/words/index/info/view_unit/2316/

The formation of crystals in a glaze. This can be caused by very slow cooling as well as by the presence in glaze of certain substances which tend to crystallise out of the mixture. Zinc and titanium both promote crystallisation.
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https://ashbrook-ceramics.co.uk/pottery-glossary/

The crystallization of a vitreous material.
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https://walkerceramics.com.au/resources/glossary-of-ceramic-terms/

The process in which a glass (noncrystalline or vitreous solid) transforms to a crystalline solid.
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https://www.encyclo.co.uk/local/20687
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