Meaning

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..

Definitions by Sense

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. (by extension) Any borosilicate glass.
3. (by extension) Any glass capable of withstanding high temperatures, such as tempered glass suitable for cooking.

Example Sentences

This steel tube slips into the pyrex glass focus tube, which is jacketed by a vacuum

There is half of a yesteryear's tin of baked beans in a pyrex bowl

I tiptoed into the kitchen, turned on the fluorescent light over the stove, and peered into the oven. It was still warm, though the gas had been turned off. My dinner was there, in a pyrex dish with a cover.

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When Should You Use Pyrex?

Use pyrex when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.

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