pyrex

Etymology
Genericization of the trademark

Noun

 * 1) A kind of heat-resistant borosilicate glass, made by mixing a high concentration of boron oxides into the molten glass to reduce its thermal expansion coefficient.
 * 2)  Any borosilicate glass
 * 3)  Any glass capable of withstanding high temperatures, such as tempered glass suitable for cooking
 * 1)  Any borosilicate glass
 * 2)  Any glass capable of withstanding high temperatures, such as tempered glass suitable for cooking
 * 1)  Any borosilicate glass
 * 2)  Any glass capable of withstanding high temperatures, such as tempered glass suitable for cooking