periodic-acid

periodic acid

[pur-ahy-od-ik, pur-]
noun Chemistry.
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:
1830–40

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World English Dictionary
periodic acid (ˌpɜːraɪˈɒdɪk)
 
n
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)
 
[C19: from per- + iodic]

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American Heritage
Medical Dictionary

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
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