hydrofluoric acid

noun
hy·​dro·​flu·​or·​ic acid | \ ˌhī-drō-ˈflȯr-ik How to pronounce hydrofluoric acid (audio) , -ˈflu̇r- How to pronounce hydrofluoric acid (audio) \

Definition of hydrofluoric acid

: an aqueous solution of hydrogen fluoride HF that is a weak poisonous acid, that attacks silica and silicates, and that is used especially in finishing and etching glass

Examples of hydrofluoric acid in a Sentence

Recent Examples on the Web The February 2015 blast sent a 40-ton piece of equipment close to crashing into a tank containing hydrofluoric acid, a dangerous chemical that can form a deadly, ground-hugging cloud. Susanne Rust, Los Angeles Times, "Fire exploded from part of Carson refinery recently cited for workplace safety issues," 27 Feb. 2020 The conservative movement has served like a bath of hydrofluoric acid on the quality, competence, and basic decency of American institutions. Ryan Cooper, TheWeek, "Why America is so vulnerable to coronavirus," 3 Mar. 2020 The refinery disaster in June unleashed over 5,200 pounds of deadly hydrofluoric acid. NBC News, "Massive oil refinery leaks toxic chemical in the middle of Philadelphia," 16 Jan. 2020 The report also notes that Philadelphia Energy Solutions hired a company to neutralize the hydrofluoric acid contained in areas of the refinery, which was completed at the end of August. Washington Post, "Aging, thin pipe likely cause of Philadelphia refinery fire," 16 Oct. 2019 Cars drive by the Torrance refinery, where a 2015 explosion narrowly missed crashing into a tank containing hydrofluoric acid. Los Angeles Times, "Air board kills regulation of dangerous refinery acid in favor of oil industry plan," 6 Sep. 2019 Lava produces toxic gases including carbon dioxide, sulfur dioxide, hydrogen sulfide and hydrofluoric acid, according to Earth Magazine. Don Sweeney, sacbee, "Please don’t take selfies with the deadly molten lava, Hawaii authorities ask," 20 June 2018 Fire crews poured cold water all day Thursday on a storage tank containing hydrofluoric acid at the refinery. Don Behm, Milwaukee Journal Sentinel, "No oil or asphalt from Superior refinery overflowed to waterways in wake of explosions and fires," 27 Apr. 2018 Lava produces toxic gases including carbon dioxide, sulfur dioxide, hydrogen sulfide and hydrofluoric acid, according to Earth Magazine. Don Sweeney, sacbee, "Please don’t take selfies with the deadly molten lava, Hawaii authorities ask," 20 June 2018

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

1830, in the meaning defined above

History and Etymology for hydrofluoric acid

International Scientific Vocabulary

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Time Traveler for hydrofluoric acid

Time Traveler

The first known use of hydrofluoric acid was in 1830

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Cite this Entry

“Hydrofluoric acid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hydrofluoric%20acid. Accessed 19 Jan. 2021.

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More Definitions for hydrofluoric acid

hydrofluoric acid

noun
hy·​dro·​flu·​or·​ic acid | \ -ˌflu̇r-ik- How to pronounce hydrofluoric acid (audio) , -ˌflōr- How to pronounce hydrofluoric acid (audio) , -ˌflȯr- \

Medical Definition of hydrofluoric acid

: an aqueous solution of hydrogen fluoride HF that is a weak poisonous acid, that resembles hydrochloric acid chemically but attacks silica and silicates, and that is used especially in finishing and etching glass

More from Merriam-Webster on hydrofluoric acid

Britannica.com: Encyclopedia article about hydrofluoric acid

Comments on hydrofluoric acid

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