borosilicate

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

noun Chemistry.

a salt of boric and silicic acids.

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Origin of borosilicate

First recorded in 1810–20; boro- + silicate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for borosilicate

borosilicate
/ (ˌbɔːrəʊˈsɪlɪkɪt, -ˌkeɪt) /

noun

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