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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.

The experiments included exposure to powerful shock waves comparable to those created by meteorite impacts on Mars, as well as perchlorate salts, which are toxic compounds known to exist in Martian soil.

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

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

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