• synonyms


[per-klawr-eyt, -klohr-]
noun Chemistry.
  1. a salt or ester of perchloric acid, as potassium perchlorate, KClO4.
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Origin of perchlorate

First recorded in 1820–30; per- + chlorate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for perchlorate

Historical Examples of perchlorate

  • Chloratzit: potassium chlorate or perchlorate, aryl nitro-bodies, resins, and carbohydrates.

    The New Gresham Encyclopedia


British Dictionary definitions for perchlorate


  1. any salt or ester of perchloric acid. Perchlorate salts contain the ion ClO 4
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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

perchlorate in Medicine


  1. A salt or ester of perchloric acid.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

perchlorate in Science


  1. A salt of perchloric acid, containing the group ClO4.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.