Definition & Meaning of "Pyrex"

What is "Pyrex"?

Pyrex is a type of heat-resistant glassware and kitchenware that is known for its durability, versatility, and ability to withstand high temperatures, making it popular for both cooking and storage purposes. Pyrex products include baking dishes, mixing bowls, measuring cups, and storage containers, all made from tempered borosilicate glass that is resistant to thermal shock. This means that Pyrex items can safely go from the freezer to the oven or microwave without cracking or shattering.