borosilicate-glass

borosilicate glass

noun
a glass containing 5 percent or more of B 2 O 3 , highly resistant to heat and shock, used especially in making cookware and chemical glassware.

Origin:
1930–35

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World English Dictionary
borosilicate glass
 
n
any of a range of heat- and chemical-resistant glasses, such as Pyrex, prepared by fusing together boron(III) oxide, silicon dioxide, and, usually, a metal oxide

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