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safety glass

noun
1.
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
1920-1925
1920-25
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for safety glass

safety glass

noun
1.
glass made by sandwiching a layer of plastic or resin between two sheets of glass so that if broken the fragments will not shatter
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Encyclopedia Article for 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.

Learn more about safety glass with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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12
11
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