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hydrofluoric acid

a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
1815-25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for hydro fluoric acid

hydrofluoric acid

the colourless aqueous solution of hydrogen fluoride: a strong acid that attacks glass
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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hydro fluoric acid in Science
hydrofluoric acid
  (hī'drō-flr'ĭk, -flôr'-)   
A colorless, fuming, aqueous solution of hydrogen fluoride. It is corrosive and is used to etch or polish glass, to clean certain metals before plating, and to clean masonry. It is very poisonous.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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