bo·​ro·​sil·​i·​cate | \ ˌbȯr-ō-ˈsi-lə-ˌkāt How to pronounce borosilicate (audio) , -ˈsi-li-kət \

Definition of borosilicate

1 : a silicate containing boron in the anion and occurring naturally

Examples of borosilicate in a Sentence

Recent Examples on the Web Rahmil works with borosilicate, a specific type of glass that is also used in the medical field and can withstand drastic temperature changes without breaking. Anna Rahmanan, Bon Appétit, 11 May 2021 These photographs, taken by Christopher Payne at two Corning facilities in upstate New York, tell the story of an alternative to borosilicate, called Valor Glass, and its use in the effort to deliver COVID-19 vaccines. Christopher Payne, The New Yorker, 30 Nov. 2020 Open it up, and two shiny wings—reflectors—concentrate sunlight onto a central vacuum tube made of borosilicate glass. Kevin Dupzyk, Popular Mechanics, 23 June 2017

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

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First Known Use of borosilicate

1817, in the meaning defined at sense 1

History and Etymology for borosilicate

International Scientific Vocabulary

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Time Traveler for borosilicate

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The first known use of borosilicate was in 1817

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Dictionary Entries Near borosilicate



borosilicate glass

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Cite this Entry

“Borosilicate.” Dictionary, Merriam-Webster, Accessed 27 Jan. 2022.

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