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hydrofluoric acid

noun

  1. a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.


hydrofluoric acid

/ ˌhaɪdrəʊfluːˈɒrɪk /

noun

  1. the colourless aqueous solution of hydrogen fluoride: a strong acid that attacks glass
“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

hydrofluoric acid

/ hī′drō-flrĭk,-flôr- /

  1. A colorless, fuming, aqueous solution of hydrogen fluoride. It is corrosive and is used to etch or polish glass, to clean certain metals before plating, and to clean masonry. It is very poisonous.
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Word History and Origins

Origin of hydrofluoric acid1

First recorded in 1815–25
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Example Sentences

Then the glass was etched away with hydrofluoric acid, leaving behind a hollow layer of white, highly reflective TiO2.

The biggest concern is that the refinery continues to use the highly toxic chemical hydrofluoric acid to process fuel, a practice that Schwartz and other activists want to see stopped.

A dip in hydrofluoric acid dissolved the matrix rock, concentrating the precious microfossils which she then analyzed under the microscope.

One result is the fluorspar district of southern Illinois, which once produced a majority of the country’s fluorite—used to smelt steel and create hydrofluoric acid.

The 2018 explosion and subsequent fires at the facility then-owned by Calgary-based Husky Energy in Superior also produced fears of a hydrofluoric acid leak, causing 2,500 people in the city to evacuate.

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hydrofluorichydrofluorocarbon