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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.

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

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

Consumer Reports’ findings come decades after perchlorate was first identified as a contaminant in water and food.

From Salon • Aug. 8, 2024

Their analysis revealed that the salen-type metal complexes lack any distinctive structural features, indicating that their explosive nature is linked to the chemical bonding of the perchlorate ions and their surrounding intermolecular interactions.

From Science Daily • Jan. 25, 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

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