Pyrex

American

[pahy-reks] / ˈpaɪ rɛks /

Trademark.

a brand name for any of a class of heat- and chemical-resistant glassware products of varying composition used for cooking.

Pyrex British

/ ˈpaɪrɛks /

noun

1. any of a variety of borosilicate glasses that have low coefficients of expansion, making them suitable for heat-resistant glassware used in cookery and chemical apparatus
2. ( as modifier )
  
  a Pyrex dish

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Pyrex

Or the yellow Formica kitchen, with its Pyrex hot plate, wall-mounted radio, original Eames barstools and drop-leaf dining table still intact — all charming throwbacks to a simpler time.

From Los Angeles Times ● Nov. 11, 2025

"It took us two series to work out that we probably should be using Pyrex bowls so people could see what we were putting in them," laughs Si.

From BBC ● Dec. 6, 2024

Pyrex, on the other hand, sells glass containers.

From Slate ● Sep. 23, 2024

A full rainbow spectrum of vintage Pyrex baking dishes lines a wall at this sunny breakfast and lunch cafe.

From Seattle Times ● Jun. 30, 2023

In the middle of the tools, a dead worm just sat in a Pyrex cup.

From "The Thing About Jellyfish" by Ali Benjamin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023