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. / (by extension) Any borosilicate glass

A brand of glassware produced by the Corning corporation, capable of resisting high temperatures, and suitable for cooking applications, currently made with tempered glass

Alternative form of pyrex

(rare) feverish, pyretic

Relating to fever; feverish; pyrexial.

(medicine) Fever. / (medicine) Trench fever.

(obsolete) of or relating to fevers; feverish

plural of pyrexia

plural of pyrexia