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hydrogen fluoride

noun
1.
a colorless corrosive gas, HF, the anhydride of hydrofluoric acid, used chiefly as a catalyst and in the fluorination of hydrocarbons.
Origin
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for hydrogen fluoride
  • Chemical toxins are released from geothermal plants as well, such as hydrogen fluoride.
  • hydrogen fluoride is a well known, potent greenhouse gas, and is a side effect of exposing uranium hexafluoride to air.
  • hydrogen fluoride has a number of industrial uses throughout the country.
  • Liquid hydrogen fluoride is fed from one of two storage vessels and heated to a gaseous state in a vaporizer.
  • Other principal volcanic gases include hydrogen sulfide, hydrogen chloride, and hydrogen fluoride.
  • hydrogen fluoride is used in the production of other compounds, including pharmaceuticals and polymers.
  • Mixtures with concentrated sulfuric acid can evolve toxic hydrogen fluoride gas.
British Dictionary definitions for hydrogen fluoride

hydrogen fluoride

noun
1.
a colourless poisonous corrosive gas or liquid made by reaction between calcium fluoride and sulphuric acid: used as a fluorinating agent and catalyst. Formula: HF
2.
an aqueous solution of hydrogen fluoride; hydrofluoric acid
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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hydrogen fluoride in Science
hydrogen fluoride  
A corrosive compound that exists as a colorless, fuming liquid or a highly soluble gas. Hydrogen fluoride is used as a reagent, catalyst, and fluorinating agent, in the refining of uranium, and in making many fluorine compounds. An aqueous solution of hydrogen fluoride is called hydrofluoric acid. Chemical formula: HF.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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