[ pur-ahy-od-ik, pur- ]
/ ˈpɜr aɪˈɒd ɪk, ˌpɜr- /
any of a series of acids derived from I2O7 by the addition of water molecules, as HIO4 or H5IO6.
Words nearby periodic acid
Origin of periodic acid
First recorded in 1830–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for periodic acid
/ (ˌpɜːraɪˈɒdɪk) /
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 HIO 4 (metaperiodic acid) and H 5 IO 6 (paraperiodic acid)
Word Origin for periodic acid
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
Medicine definitions for periodic acid
[ pûr′ī-ŏd′ĭk ]
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.