- a colourless poisonous corrosive gas or liquid made by reaction between calcium fluoride and sulphuric acid: used as a fluorinating agent and catalyst. Formula: HF
- an aqueous solution of hydrogen fluoride; hydrofluoric acid
| 单词 | hydrogen fluoride |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 hy′drogen fluor′ide,
Collins Concise English Dictionary © HarperCollins Publishers:: hydrogen fluoride n
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