フッ素

Japanese

Chemical element
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Kanji in this term
素
そ
Grade: 5
on’yomi

Alternative forms

Etymology

Compound of 弗 (futsu, used phonetically) +‎ 素 (so, “chemical element”). 弗 (futsu) was chosen for the initial fu, to match the initial /f/ in English fluorine.[1][2]

Pronunciation

Noun

フッ素 (hiragana and katakana フッそ, rōmaji fusso)

  1. fluorine, F
  2. fluorine gas

Usage notes

Commonly written with katakana instead of kanji for the 弗 portion, due to the rarity of the 弗 character.

References

  1. 1 2 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
  2. ↑ 1995, 大辞泉 (Daijisen) (in Japanese), Tōkyō: Shogakukan, →ISBN
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