- a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
Origin of hydrofluoric acid
First recorded in 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for hydrofluoric acid
There was a big one on Nifflheim, armored against the fluorine atmosphere and the hydrofluoric-acid rains.The Cosmic Computer
Henry Beam Piper
- 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
- 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.
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