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hydrogen iodide

noun
1.
a colorless gas, HI, having a suffocating odor: the anhydride of hydriodic acid.
Origin
1895-1900
1895-1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples for hydrogen iodide
  • Mixtures with concentrated sulfuric acid can evolve toxic hydrogen iodide gas at a dangerous rate.
  • The iodine in the presence of water is reduced to colorless hydrogen iodide.
British Dictionary definitions for hydrogen iodide

hydrogen iodide

noun
1.
a colourless poisonous corrosive gas obtained by a catalysed reaction between hydrogen and iodine vapour: used in making iodides. Formula: HI
2.
an aqueous solution of this gas; hydriodic 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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Difficulty index for hydrogen iodide

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Word Value for hydrogen

16
16
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