hydrogen cyanide

noun

Definition of hydrogen cyanide

1 : a poisonous usually gaseous compound HCN that has the odor of bitter almonds

Examples of hydrogen cyanide in a Sentence

Recent Examples on the Web

No direct measuring of hydrogen cyanide or exposure studies have been done. Bruce Finley, The Denver Post, "Suncor oil refinery operators hit by Colorado health department for emitting toxic gas," 1 July 2019 Research in 2015 suggested that hydrogen cyanide—possibly brought to Earth when carbon in meteorites reacted with nitrogen in the atmosphere—could have been a crucial ingredient in these reactions driven by UV light. David W. Brown, Smithsonian, "Searching for the Key to Life’s Beginnings," 2 July 2018 Some pollutants are regulated but hydrogen cyanide is not. Bruce Finley, The Denver Post, "Suncor oil refinery operators hit by Colorado health department for emitting toxic gas," 1 July 2019 That includes heavy metals, carbon monoxide, and hydrogen cyanide. Rachel Becker, The Verge, "Is nicotine actually bad for you?," 10 Aug. 2018 Thirty raw peach seeds also comes to an ounce and contain around 204 milligrams of hydrogen cyanide. Jean Nick, Good Housekeeping, "Are Stone Fruit Seeds Poisonous?," 25 July 2018 Thirty raw peach seeds also comes to an ounce and contain around 204 miligrams of hydrogen cyanide. Jean Nick, Good Housekeeping, "Are Stone Fruit Seeds Poisonous?," 30 Jan. 2018 The last case was in 1999, when Arizona used clouds of hydrogen cyanide to execute an inmate. Author: Denise Grady, Jan Hoffman, Anchorage Daily News, "States turn to an unproven method of execution: nitrogen gas," 8 May 2018 In 2012, South Korea estimated the North had between 2,500 and 5,000 metric tons of chemical arms, including mustard gas, hydrogen cyanide, and highly lethal nerve agents including sarin, soman, and VX. Kyle Mizokami, Popular Mechanics, "The U.S. Army Is Training to Explore, Fight in North Korea’s Maze of Tunnels," 18 Dec. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'hydrogen cyanide.' 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 hydrogen cyanide

1869, in the meaning defined at sense 1

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Last Updated

5 Aug 2019

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The first known use of hydrogen cyanide was in 1869

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More Definitions for hydrogen cyanide

hydrogen cyanide

noun

Medical Definition of hydrogen cyanide

1 : a poisonous usually gaseous compound HCN that has the odor of bitter almonds

More from Merriam-Webster on hydrogen cyanide

Britannica.com: Encyclopedia article about hydrogen cyanide

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