Definition of vitreous in English:


Line breaks: vit|re¦ous
Pronunciation: /ˈvɪtrɪəs


  • 1Like glass in appearance or physical properties: a coarse-grained rock with much grey vitreous quartz
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    • Oneillite is vitreous, transparent to translucent, with a white streak.
    • The mineral is transparent to translucent and has a vitreous to pearly luster and white streak.
    • Most natural corundum is of industrial quality, but transparent to translucent varieties with their adamantine to vitreous luster potentially yield gemstones.
  • 1.1(Of a substance) derived from or containing glass: vitreous china
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    • In its original sense enamel is glass or vitreous paste fused to a prepared surface, usually of metal, by means of intense heat.
    • There are different techniques of enamelling and one of them is when a vitreous coating is fused on to a metallic surface.
    • They started with eight-inch-square biscuit blanks made by Wedgwood or Minton, Hollins and Company and preferred vitreous paint applied with brushes, palette knives, or their fingers.


late Middle English: from Latin vitreus (from vitrum 'glass') + -ous.

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