Pyrex

See also: pyrex

English

a Pyrex Erlenmeyer flask

various Pyrex measuring cups

Pyrex newspaper ad, 1922

Etymology

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."

• The name also connotes the fire of pyro-.

Proper noun

Pyrex

2. A brand of glassware produced by the Corning corporation, capable of resisting high temperatures, and suitable for cooking applications, currently made with tempered glass.
3. (historical) A brand of glassware produced by Corning using borosilicate glass.

Noun

Pyrex (uncountable)

1. Alternative form of pyrex.

Derived terms

• pyrex

See also

• -ex
• pyro-

References

• 2005, Brewers Phrase and Fable, 17th ed. (for etymology)

Anagrams

• prexy