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perchlorate

American  
[per-klawr-eyt, -klohr-] / pərˈklɔr eɪt, -ˈkloʊr- /

noun

Chemistry.
  1. a salt or ester of perchloric acid, as potassium perchlorate, KClO 4 .


perchlorate British  
/ pəˈklɔːreɪt /

noun

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

"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 Scientific  
/ pər-klôrāt′ /
  1. A salt of perchloric acid, containing the group ClO 4.


Etymology

Origin of perchlorate

First recorded in 1820–30; per- + chlorate

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

And a 2016 US government study found perchlorate, an oxidizing agent used in fireworks, had made its way into groundwater and surface water around Mount Rushmore National Memorial, which holds annual July 4 shows.

From Barron's Jul. 2, 2026

In addition, yeast cells were treated with 100 mM sodium perchlorate, either on its own or combined with shock wave exposure.

From Science Daily Feb. 8, 2026

Two Iranian ships have been sailing from China with tons of sodium perchlorate, a main ingredient for producing solid propellant for ballistic missiles, The Wall Street Journal reported earlier this year.

From The Wall Street Journal Dec. 12, 2025

Ambrey Intelligence, a private maritime risk consultancy, told the Associated Press that the port received a shipment of sodium perchlorate last month, and that the blast was "reportedly the result of improper handling".

From BBC Apr. 29, 2025

A portion of the latter is decomposed by the sulphuric acid into oxide of chlorine, bisulphate of potassa, and perchlorate of potassa.

From The Chemical History of a Candle by Crookes, William, Sir

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