| 单词 | periodic acid |
| 释义 | periodic acid[ pur-ahy-od-ik, pur- ] / ˈpɜr aɪˈɒd ɪk, ˌpɜr- / noun Chemistry.any of a series of acids derived from I2O7 by the addition of water molecules, as HIO4 or H5IO6. Origin of periodic acidFirst recorded in 1830–40 Words nearby periodic acidperinuclear, period, periodate, period drama, periodic, periodic acid, periodic acid-Schiff, periodical, periodical cicada, periodically, periodic attractor Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for periodic acidperiodic acid / (ˌpɜːraɪˈɒdɪk) / nounany 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 acidC19: 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 Medical definitions for periodic acidperiodic 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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