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APG.American
Pronunciation Guide
HOW TO PRONOUNCE

pyrex

American English · Video pronunciation

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American Pronunciation Guide · 0:47
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What does pyrex mean?

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.
More meanings (3)

noun

  1. Alternative form of pyrex.

proper noun

  1. A brand of glassware produced by the Corning corporation, capable of resisting high temperatures, and suitable for cooking applications, currently made with tempered glass.
  2. (historical) A brand of glassware produced by Corning using borosilicate glass.
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