borosilicate glass

noun

1. 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.

borosilicate glass

noun

1. 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

Word History and Origins

Origin of borosilicate glass¹

First recorded in 1930–35

Example Sentences

According to a new paper published in the journal Scientific Reports, minerals in the borosilicate glass used to make the tubes and flasks for the experiment speed up the rate at which organic molecules form.

From Ars Technica

The transparent borosilicate glass allows for rapid temperature changes without damaging the containers themselves.

From Popular-Science

Thanks to the addition of boron trioxide, borosilicate glass is described as “low-expansion,” which means it’s less likely to explode in high-heat environments like a ripping hot oven.

From Eater