noun
fluorine (F)
Chemical element with atomic number 9. Used in compounds such as フッ素樹脂 (fluorocarbon resin) and フッ素加工 (fluorine coating).
フッ素は歯磨き粉によく含まれている。
Fluorine is often contained in toothpaste.
フッ素加工のフライパンは焦げ付きにくい。
A fluorine-coated frying pan is resistant to sticking.
Search-only mixed kana-kanji form.
Fluoride, a compound containing fluorine. フッ素 is the element itself.
From the element name fluorine. The kanji 弗 was historically used for fluorine, but the katakana フッ素 is now standard.