periodic acid
[pur-ahy-od-ik, pur-]
- any of a series of acids derived from I2O7 by the addition of water molecules, as HIO4 or H5IO6.
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Origin of periodic acid
First recorded in 1830–40
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
periodic acid
- 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)
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Word Origin
C19: from per- + iodic
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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periodic acid
(pûr′ī-ŏd′ĭk)- A white, crystalline inorganic acid that contains iodine and is used as an oxidizer.
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The American Heritage® Stedman's Medical Dictionary
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