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periodic acid

[pur-ahy-od-ik, pur-] /ˈpɜr aɪˈɒd ɪk, ˌpɜr-/
noun, Chemistry
1.
any of a series of acids derived from I 2 O 7 by the addition of water molecules, as HIO 4 or H 5 IO 6 .
Origin
1830-1840
1830-40
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for periodic acid

periodic acid

/ˌpɜːraɪˈɒdɪk/
noun
1.
any of various oxyacids of iodine containing a greater proportion of oxygen than iodic acid and differing from each other in water content, esp either of the crystalline compounds HIO4 (metaperiodic acid) and H5IO6 (paraperiodic acid)
Word Origin
C19: from per- + iodic
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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periodic acid in Medicine

periodic acid per·i·od·ic acid (pûr'ī-ŏd'ĭk)
n.
A white, crystalline inorganic acid that contains iodine and is used as an oxidizer.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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