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hydrofluoric acid

a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
Origin of hydrofluoric acid
1815-25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Historical Examples
  • There was a big one on Nifflheim, armored against the fluorine atmosphere and the hydrofluoric-acid rains.

    The Cosmic Computer Henry Beam Piper
British Dictionary definitions for hydrofluoric-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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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hydrofluoric-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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