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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

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Pyrex

In “Last Rites,” the house of the beset Smurl family comes instantly to life with its worn furniture, Pyrex casserole pans and stretched cord of its wall phone.

From Los Angeles Times ● Sep. 16, 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

I'd get back and my tea'd be waiting under a Pyrex dish.

From "Black Swan Green" by David Mitchell

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