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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

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

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

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

Iran's defence ministry denied reports that the explosion was caused by the improper handling of a shipment of sodium perchlorate, a solid fuel used for ballistic missiles.

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

Among the ingredients are barium nitrate, potassium perchlorate, powdered aluminum, powdered magnesium, potassium nitrate, and sulphur.

From Artificial Light Its Influence upon Civilization by Luckiesh, Matthew

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