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perchlorate

American

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

noun

Chemistry.

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

perchlorate British

/ pəˈklɔːreɪt /

noun

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-klôr′āt′ /

A salt of perchloric acid, containing the group ClO ₄.

Etymology

Origin of perchlorate

First recorded in 1820–30; per- + chlorate

Example Sentences

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See Examples For:

perchlorate

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 2024 China accounted for 70% of Russia’s imports of ammonium perchlorate, an essential ingredient in ballistic-missile fuel.

From The Wall Street Journal ● Dec. 18, 2025

The New York Times also cited an unnamed person with ties to Iran's Revolutionary Guards as saying that sodium perchlorate exploded.

From BBC ● Apr. 29, 2025

As for packaging, foods in plastic containers had the highest levels of perchlorate, averaging nearly 54 ppb, followed by foods in plastic wrap and paperboard.

From Salon ● Aug. 8, 2024

Perchloric acid is best prepared by distilling potassium perchlorate with concentrated sulphuric acid.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 3 "Chitral" to "Cincinnati" by Various

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023