hydrofluoricadj.
/hʌɪdrəʊfluːˈɒrɪk/ Chemistry.
Containing hydrogen and fluorine in chemical combination. hydrofluoric acid, or hydrogen fluoride (HF), a colourless gas, fuming in moist air and rapidly absorbed by water.
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hydrofluoric acid1822
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1822 T. Webster Imison's Elem. Sci. & Art (new ed.) II. 91 No acid can act upon it, except the hydro-fluoric, which dissolves it.
1863–72 H. Watts Dict. Chem. II. 670 Etching with hydrofluoric acid vapour is the best mode of marking scales of equal parts on glass tubes and jars.
This entry has not yet been fully updated (first published 1899; most recently modified version published online June 2018).
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adj.1822