| 单词 | hydrofluoric acid |
| 释义 | > as lemmashydrofluoric acid 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. ΘΚΠ the world > matter > chemistry > chemical substances > acids > [noun] > acids-named > containing halogen > fluorine muriatic acid1755 hydrofluoric acid1822 hydrofluosilicic acid1842 hydrofluoboric acid1849 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. < as lemmas |
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