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borosilicate

American  
[bawr-uh-sil-i-kit, -keyt, bohr-] / ˌbɔr əˈsɪl ɪ kɪt, -ˌkeɪt, ˌboʊr- /

noun

Chemistry.
  1. a salt of boric and silicic acids.


borosilicate British  
/ ˌbɔːrəʊˈsɪlɪkɪt, -ˌkeɪt /

noun

  1. a salt of boric and silicic acids

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of borosilicate

First recorded in 1810–20; boro- + silicate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The team created a fully tunable heterodyne receiver, a key component for CV-QKD and CV-QRNG, by writing the optical circuit directly inside borosilicate glass.

From Science Daily Mar. 24, 2026

This handmade glass candlestick made of colorful borosilicate glass is an elegant way to elevate the mood, on its own, or in pairs, illuminated by a candle or standing alone.

From Los Angeles Times Dec. 1, 2022

Made in two sizes of borosilicate glass, a material that was created for laboratory equipment, they’re produced in Hungary by Trendglas Jena.

From New York Times Nov. 15, 2021

Boric oxide is necessary for the production of heat-resistant borosilicate glass, like that shown in Figure 18.15 and certain optical glasses.

From Textbooks Feb. 14, 2019

A borosilicate of alumina, iron, and lime, commonly found in glassy, brown crystals with acute edges.

From Webster's Unabridged Dictionary (2nd 100 Pages) by Webster, Noah

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