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safety glass - 4 dictionary results

safety glass

–noun
a pane made by joining two plates or panes of glass with a layer of usually transparent plastic or artificial resin between them that retains the fragments if the glass is broken.

Origin:
1920–25
safety glass  
n.  
  1. Glass that resists shattering, especially a composite of two sheets of glass with an intermediate layer of transparent plastic. Also called shatterproof glass.
  2. See wire glass.
  3. Tempered glass that breaks into rounded grains instead of jagged shards.
wire glass  
n.  Sheet glass reinforced with wire netting. Also called safety glass.

safety glass

type of glass that, when struck, bulges or breaks into tiny, relatively harmless fragments rather than shattering into large, jagged pieces. Safety glass may be made in either of two ways. It may be constructed by laminating two sheets of ordinary glass together, with a thin interlayer of plastic, or it may be produced by strengthening glass sheets by heat treatment.

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