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道Nihongo Path
沸

沸·boil, seethe

On-yomi
フツ
Kun-yomi
わ(く)わ(かす)

By Nihongo PathUpdated

Stroke order

Write it in this order; the numbers mark where each stroke starts.

8 strokes, numbered in writing order. Data: KanjiVG (CC BY-SA 3.0).

Common words

WordReadingMeaning
沸くわくto boil, to come to the boil
沸かすわかすto boil (water), to heat up
沸騰ふっとうboiling
沸点ふってんboiling point

Example sentences

  1. お湯が沸きました。

    おゆがわきました。

    The water has boiled.

  2. お茶を入れるからお湯を沸かしてね。

    おちゃをいれるからおゆをわかしてね。

    I'm making tea, so boil some water, would you?

  3. 水は百度で沸騰する。

    みずはひゃくどでふっとうする。

    Water boils at one hundred degrees.

Similar-looking kanji

Do not confuse these on the exam.

Common mistakes

  • Reading 沸騰 as ふつとう — the つ is small: ふっとう
  • Saying お湯を沸く — the water 沸く on its own; you 沸かす it

Memory aid

Picture it

Water (氵) and 弗, a shape of two lines being forced apart — water pushed hard until it bursts into bubbles.

Vocabulary using this kanji

Quick check

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What does the kanji 沸 mean?