also: ふっかすいそ
noun
hydrogen fluoride; HF
Chemical compound; a colorless, corrosive gas or liquid used in industrial processes.
フッ化水素はガラスを溶かす性質がある。
Hydrogen fluoride has the property of dissolving glass.
Standard modern spelling using katakana for フッ and kanji for the rest.
Older spelling using the kanji 弗 for fluorine; now largely replaced by フッ化水素.
Compound of フッ化 (fukka, 'fluorination') + 水素 (suiso, 'hydrogen').