フッ化か

also: ふっか

フ

ッ

か

Meanings

1

noun, noun or participle which takes 'suru'

fluoridation

chemistry

Chemistry term for the process of adding fluoride, especially to water or toothpaste. Used as a noun or with する.

水すい道どう水すいのフッ化かは虫むし歯ば予よ防ぼうに効こう果かがある。
Fluoridation of tap water is effective in preventing cavities.

この

地ち

域いき

で

は

水すい

道どう

水すい

を

フッ

化か

し

て

いる

。

In this region, they fluoridate the tap water.

フッ化かUsage94%
Standard modern spelling using katakana for the element fluorine (フッ素).
弗ふっ化かUsage6%
Older kanji spelling using 弗 for fluorine; now largely replaced by フッ化.
ふっか

フッ素そ
フッ素 is the element fluorine itself, while フッ化 refers to the process of adding fluoride.

From フッ素 (fluorine) + 化 (-ization). The older kanji 弗 was used phonetically for fluorine before katakana became standard in chemical terms.