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

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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

I’ve filled my kitchen with Pyrex instead of Tupperware.

From Slate ● May 28, 2025

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

As well as the more than a century-old cookware brand Pyrex and Instant Pot, which was launched in 2010, Instant Brands' portfolio also includes kitchenware brands Corelle, CorningWare and Snapware.

From BBC ● Jun. 13, 2023

Now she stretched, trying to make room for a large Pyrex casserole.

From "Typical American" by Gish Jen

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