Definition of Pyrex in English:

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Pronunciation: /ˈpʌɪrɛks/


[mass noun, usually as modifier] trademark
A hard heat-resistant type of glass, typically used for ovenware: a set of Pyrex dishes
More example sentences
  • Polishing its thick slab of Pyrex glass has been described as the Apollo project of the Great Depression era.
  • It advertised washing machines, electric irons, and Pyrex casseroles.
  • Combine maple syrup, butter and lemon juice in large Pyrex measuring cup.


Early 20th century: an invented word.

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