Hydrofluoric acid

Hydrofluoric acid
Hydrofluoric Hy`dro*flu*or"ic, a. [Hydro-, 2 + fluoric.] (Chem.) Pertaining to, or containing, hydrogen and fluorine; fluohydric; as, hydrofluoric acid. [1913 Webster]

{Hydrofluoric acid} (Chem.), a colorless, mobile, volatile liquid, {HF}, very corrosive in its action, and having a strong, pungent, suffocating odor. It is produced by the action of sulphuric acid on fluorite, and is usually collected as a solution in water. It attacks all silicates, as glass or porcelain, is the agent employed in etching glass, and is preserved only in vessels of platinum, lead, caoutchouc, or gutta-percha. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • hydrofluoric acid — [hī΄drōflôr′ik, hī΄drōfloor′ik] [ HYDRO + FLUOR(INE) + IC] n. a strong, fuming acid that is a water solution of the gas, or liquid, hydrogen fluoride (H6F6, H4F4, H2F2, or HF, depending on the temperature): it reacts with silicates and is… …   English World dictionary

  • Hydrofluoric acid — Chembox new ImageFile = Hydrogen fluoride.svg ImageSize = 100px ImageName = Hydrofluoric acid ImageFile1 = Hydrogen fluoride 3D vdW.png ImageSize1 = 100px ImageName1 = Hydrogen fluoride molecule OtherNames = fluoric acid; fluorhydric acid… …   Wikipedia

  • hydrofluoric acid — vandenilio fluoridas statusas T sritis chemija formulė HF atitikmenys: angl. fluor hydric acid; fluoric acid; fluorohydrogen acid; hydrofluoric acid; hydrogen fluoride rus. водорода фторид; плавиковая кислота; фтористоводородная кислота;… …   Chemijos terminų aiškinamasis žodynas

  • hydrofluoric acid — A solution of hydrogen fluoride gas in water; a poisonous, caustic, foaming liquid that is used to clean metals and can etch glass; extremely irritating to skin and lungs. * * * hy·dro·flu·or·ic acid .flu̇r ik , .flōr , .flȯr n …   Medical dictionary

  • hydrofluoric acid — noun Etymology: International Scientific Vocabulary Date: 1830 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 …   New Collegiate Dictionary

  • hydrofluoric acid — noun A solution of hydrogen fluoride, HF, in water; it is a weak but very corrosive acid, used in the production of fluorine compounds, and in metallurgy. See Also: fluoric …   Wiktionary

  • hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass. [1815 25] * * * …   Universalium

  • hydrofluoric acid — [ˌhʌɪdrə(ʊ) flʊərɪk] noun Chemistry an acidic, extremely corrosive solution of the liquid hydrogen fluoride. [HF.] …   English new terms dictionary

  • hydrofluoric acid — hy′dro•fluor′ic ac′id [[t]ˌhaɪ drəˈflʊər ɪk, ˈflɔr , ˈflɒr [/t]] n. chem. a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass • Etymology: 1815–25 …   From formal English to slang

  • hydrofluoric acid — /haɪdroʊˌflʊərɪk ˈæsəd/ (say huydroh.floouhrik asuhd) noun a colourless, corrosive, poisonous solution of hydrogen fluoride in water, used to etch glass and in certain industrial processes. {hydro 2 + fluoric} …  

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