Pyrex

Pyrex

[pahy-reks]
Trademark.
a brand name for any of a class of heat- and chemical-resistant glassware products of varying composition used for cooking.
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World English Dictionary
Pyrex (ˈpaɪrɛks)
 
n
trademark
 a.  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
 b.  (as modifier): a Pyrex dish

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Word Origin & History

Pyrex
1915, proprietary name (Corning Glass Works, Corning, N.Y.), arbitrary coinage, in which eager etymologists see implications of Gk. pyr- "fire" and perhaps L. rex "king;" but the prosaic inventors say it was based on pie, since pie dishes were among the first products made from it. The -r- is purely
euphonious.
Online Etymology Dictionary, © 2010 Douglas Harper
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