hydriodic acid

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hy·dri·od·ic acid

A clear, colorless or pale yellow aqueous solution of hydrogen iodide, HI, that is a strong acid and reducing agent.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

hydriodic acid

(Chemistry) the colourless or pale yellow aqueous solution of hydrogen iodide: a strong acid
[C19: from hydro- + iodic]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

hy′dri•od′ic ac′id

(ˌhaɪ driˈɒd ɪk)
a colorless corrosive liquid, HI, an aqueous solution of hydrogen iodide.
[1810–20; hydr-2 + iodic]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.hydriodic acid - (HI) a colorless or yellow aqueous solution of hydrogen iodide; "hydriodic acid is a strong acid"
acid - any of various water-soluble compounds having a sour taste and capable of turning litmus red and reacting with a base to form a salt
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References in periodicals archive ?
The default configurations of triphenylphosphine diiodide (Ph [sub]3 PI[sub]2) and silver trifluoromethanesulfonate (AgOTf) solid-phase extraction (SPE) cartridges were cancelled and 57% hydriodic acid solution was used to accomplish this step instead.
The most widely-used method of manufacturing the drug involves heating pseudoephedrine or ephedrine, red phosphorus and hydriodic acid.