borosilicate Hear it!

borosilicate definition

boro·sili·cate (bôr′ō sil′i kit, -kāt′)

noun

  1. any of several salts derived from both boric acid and silicic acid and found in certain minerals, such as tourmaline
  2. a type of glass made of about 5% boric oxide that can withstand high temperatures

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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