Definition of Pyrex in English:

Pyrex

noun

trademark
  • [usually as modifier] A hard, heat-resistant type of glass, typically used for ovenware.

    ‘a set of Pyrex dishes’
    • ‘Polishing its thick slab of Pyrex glass has been described as the Apollo project of the Great Depression era.’
    • ‘Samples were irradiated in Pyrex vials, which were suspended from a rotating sample holder.’
    • ‘It advertised washing machines, electric irons, and Pyrex casseroles.’
    • ‘I have a quart-sized Pyrex glass pitcher that's absolutely perfect.’
    • ‘Combine maple syrup, butter and lemon juice in large Pyrex measuring cup.’

Origin

Early 20th century: an invented word.

Pronunciation:

Pyrex

/ˈpīˌreks/