JMdict: 1205180

拡散 【かくさん】

  1. [n,vs,vi] spreading; disseminating; scattering
  2. [n,vs,vi] diffusion (of light, gas)
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Kanji in this word:

Kanji Meanings On Readings Kun Readings
拡 Broaden, Extend, Expand, Enlarge カク, コウ ひろ.がる, ひろ.げる, ひろ.める
散 Scatter, Disperse, Spend, Squander サン ち.る, ち.らす, -ち.らす, ち.らかす, ち.らかる, ち.らばる, ばら, ばら.ける