perchlorate

noun
per·​chlo·​rate | \ (ˌ)pər-ˈklȯr-ˌāt How to pronounce perchlorate (audio) , -ət \

Definition of perchlorate

: a salt or ester of perchloric acid

Examples of perchlorate in a Sentence

Recent Examples on the Web As astrobiologist Dirk Schulze-Makuch writes for Air & Space magazine, the toughest Earth fungus can survive in water with up to 23 percent sodium perchlorate mixed in, while the strongest bacterium could only handle a 12 percent solution. Theresa Machemer, Smithsonian Magazine, "Briny Underground Lakes May Be All That Remain of Martian Ocean," 30 Sep. 2020 The agency recently pulled back on regulating perchlorate, a water contaminant tied to fetal brain damage, and last year opted not to ban asbestos over the objections of agency scientists. Lisa Friedman, New York Times, "E.P.A. Rejects Its Own Findings That a Pesticide Harms Children’s Brains," 23 Sep. 2020 Another 16 million people across 35 states drink water contaminated by perchlorate, a rocket fuel component used on U.S. military bases that can cause neurological damage in infants and young children. Elliott Negin, Scientific American, "It's Time to Rein in Inflated Military Budgets," 14 Sep. 2020 Regardless, in June, the Trump EPA defied a court order and finalized its decision to forego a standard limiting perchlorate’s concentration in drinking water. Elliott Negin, Scientific American, "It's Time to Rein in Inflated Military Budgets," 14 Sep. 2020 The state is asking Portland to collect and analyze stormwater for chromium, hexavalent chromium, lead, zinc, copper, barium and perchlorate. oregonlive, "‘Unprecedented’ use of tear gas against Portland protesters prompts state regulators to call for environmental testing," 31 July 2020 The decision by Andrew Wheeler, above, the E.P.A. administrator, appears to defy a court order requiring the agency to establish a safe drinking-water standard for perchlorate by the end of June. Penn Bullock, New York Times, "Jobless Claims, Food Supply, Rovers: Your Thursday Evening Briefing," 14 May 2020 The Environmental Protection Agency won’t regulate perchlorate, a chemical used in rocket fuel that contaminates water and has been tied to fetal damage, two E.P.A. staff members said. Penn Bullock, New York Times, "Jobless Claims, Food Supply, Rovers: Your Thursday Evening Briefing," 14 May 2020 Fire sparks the reaction between aluminum and ammonium perchlorate that turns solid rocket fuel into the driving force of space travel (NASA’s rocket boosters reach 5,000°F during launch). Vince Guerrieri, Popular Mechanics, "Why Fire Is the Greatest Tool of All Time," 17 Feb. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'perchlorate.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of perchlorate

1817, in the meaning defined above

History and Etymology for perchlorate

International Scientific Vocabulary

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Time Traveler for perchlorate

Time Traveler

The first known use of perchlorate was in 1817

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Statistics for perchlorate

Last Updated

7 Oct 2020

Cite this Entry

“Perchlorate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/perchlorate. Accessed 26 Nov. 2020.

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More Definitions for perchlorate

perchlorate

noun
per·​chlo·​rate | \ (ˈ)pər-ˈklō(ə)r-ˌāt, -ˈklȯ(ə)r-, -ət How to pronounce perchlorate (audio) \

Medical Definition of perchlorate

: a salt or ester of perchloric acid

More from Merriam-Webster on perchlorate

Britannica.com: Encyclopedia article about perchlorate

Comments on perchlorate

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