pyrex

As a noun pyrex

is a kind of heat-resistant glass.

As an adjective borosilicate is

borosilicate (attributive).

As nouns the difference between pyrex and fever

is that pyrex is a kind of heat-resistant glass while fever is fever.

As nouns the difference between prex and pyrex

is that prex is president, especially of a university while Pyrex is a borosilicate glass with a low coefficient of thermal expansion; used for heat-resistant glassware in cooking and chemistry.

As nouns the difference between pyres and pyrex

is that pyres is while pyrex is a kind of heat-resistant glass.

As nouns the difference between pyrex and pyree

is that pyrex is a kind of heat-resistant glass while pyree is (obsolete|rare) a temple devoted to fire among the ancient persians.

As nouns the difference between pyre and pyrex

is that pyre is a funeral pile; a combustible heap on which corpses are burned while Pyrex is a borosilicate glass with a low coefficient of thermal expansion; used for heat-resistant glassware in cooking and chemistry.