Definition of ground glass in English:

ground glass

Line breaks: ground glass


[mass noun]
  • 1Glass with a smooth ground surface that renders it non-transparent while retaining its translucency.
    More example sentences
    • The image is projected upwards onto a translucent screen, typically of ground glass - although other translucent materials can also serve.
    • The stopcock consists of an inner piece of ground glass that fits tightly into the glass tube and that can be rotated in a tightly fitting casing.
    • The company makes its ordinary-looking line of heavy-duty cleaning blocks from 98 percent recycled ground glass, an environmentally safe alternative to the strip mining that gives us pumice for use in many of our household products.
  • 2Glass ground into an abrasive powder.
    More example sentences
    • To make their strings sharper, boys ‘glass’ them by soaking them in a mixture of ground glass and paste.
    • Modern buildings are filled with all sorts of materials that human beings should not inhale: asbestos, mercury, lead, concrete dust, ground glass, and who knows what else.
    • To make it more durable, the majority of a resin composite is actually finely ground glass or a similar material.

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