Pyrex
name, noun
name, noun ·Rare ·Advanced level
Definitions
Noun
- 1 Alternative form of pyrex. alt-of, alternative, uncountable
- 2 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. uncountable
"This steel tube slips into the pyrex glass focus tube, which is jacketed by a vacuum"
- 3 a borosilicate glass with a low coefficient of expansion; used for heat-resistant glassware in cooking and chemistry wordnet
- 4 Any borosilicate glass. broadly, uncountable
- 5 Any glass capable of withstanding high temperatures, such as tempered glass suitable for cooking. broadly, uncountable
Proper Noun
- 1 A brand of glassware produced by the Corning corporation, capable of resisting high temperatures, and suitable for cooking applications, currently made with tempered glass.
- 2 A brand of glassware produced by Corning using borosilicate glass. historical
Example
More examples"This steel tube slips into the pyrex glass focus tube, which is jacketed by a vacuum"
Etymology
Etymology 1
From pie + r + -ex. First manufactured by the Corning Glassware Factory in 1915. * 1957, Letter from the Corning Glassware Factory: *: "We had a number of prior trademarks ending in the letters ex. One of the first commercial products to be sold under the new mark was a pie plate, and in the interests of euphonism the letter "r" was inserted between pie and ex, and the whole thing condensed to pyrex."
Etymology 2
Genericization of the trademark Pyrex