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

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

The kind you might have first met at a 4th of July picnic in a glass Pyrex dish, where guacamole and sour cream mingled with salsa and shredded cheese in slightly slouchy strata.

From Salon ● Aug. 5, 2025

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

From Slate ● May 28, 2025

"You might get a tea set, a set of Pyrex dishes, cookware… it’s better than a kick in the teeth isn’t it?"

From BBC ● Aug. 10, 2024

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

From "Black Swan Green" by David Mitchell

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