borosilicate glass


noun

a glass containing 5 percent or more of B2O3, highly resistant to heat and shock, used especially in making cookware and chemical glassware.

Origin of borosilicate glass

First recorded in 1930–35

British Dictionary definitions for borosilicate glass

borosilicate glass

noun

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