JMdict: 2271810

降灰 【こうかい】

  1. [n,vs,vi] fall of (volcanic) ash; falling ash
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Kanji in this word:

Kanji Meanings On Readings Kun Readings Grade
降 Descend, Precipitate, Fall, Surrender コウ, ゴ お.りる, お.ろす, ふ.る, ふ.り, くだ.る, くだ.す 6
灰 Ashes, Puckery Juice, Cremate カイ はい 6