borosilicate glass


Definition of borosilicate glass

: a silicate glass that is composed of at least five percent oxide of boron and is used especially in heat-resistant glassware

Examples of borosilicate glass in a Sentence

Recent Examples on the Web This bundle includes a Porter Bowl, Porter Mug and a borosilicate glass Porter Bottle and Porter Glass. NBC News, "16 useful gift ideas for people who spend too much time at the office," 18 Dec. 2017 According to the Kinsey Institute, anything that's silicone, borosilicate glass (Pyrex), or stainless steel is a good bet. Sophie Saint Thomas, Allure, "A Beginner's Guide to Butt Plugs and How to Use Them for Anal Play," 15 Oct. 2019 Is your toy made of borosilicate glass, silicone, or a metal? Lindsey Lanquist, SELF, "How to Clean Your Sex Toys So You Can Use Them Safely," 15 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'borosilicate glass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of borosilicate glass

1907, in the meaning defined above

Keep scrolling for more

Learn More about borosilicate glass

Time Traveler for borosilicate glass

Time Traveler

The first known use of borosilicate glass was in 1907

See more words from the same year

Statistics for borosilicate glass

Last Updated

4 Dec 2019

Cite this Entry

“Borosilicate glass.” The Dictionary, Merriam-Webster Inc., Accessed 16 December 2019.

More from Merriam-Webster on borosilicate glass Encyclopedia article about borosilicate glass

Comments on borosilicate glass

What made you want to look up borosilicate glass? Please tell us where you read or heard it (including the quote, if possible).


having a smooth flowing sound

Get Word of the Day daily email!

Test Your Vocabulary

Great Scrabble Words—A Quiz

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?


Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!