Illustration: At a Japanese community science table, a child holds a dropper above a tall transparent vessel of still water. A newly released drop of dark dye has formed a dense central plume, with delicate tendrils spreading outward and downward into the surrounding clear water.

JLPT N1nounLevel estimated by Bebop

拡かく散さん

kakusan

spread, proliferation

Example sentences

  1. 核かく拡散かくさんは深刻しんこくな軍事上ぐんじじょうの脅威きょういである。

    Nuclear proliferation poses a serious military threat.

    Wiktionary · CC BY-SA 4.0 · Source

  2. 科学者かがくしゃたちはエイズ・ウイルスの拡散かくさんをくい止とめようと戦たたかっています。

    Scientists are fighting to stem the spread of the AIDS virus.

    Tatoeba · CC BY 2.0 FR · Source

  3. 歴史学れきしがくの関心かんしんが拡散かくさんする中なかでこの論争ろんそうは明確めいかくな解答かいとうを得えぬまま終息しゅうそくした。

    The interest of historical science became diffused and the controversy came to an end without any clear result.

    KFTT corpus (NICT), Wikipedia · CC BY-SA 3.0 · Source

Kanji in 拡散

  • 拡broaden; extendOnカク・コウKunひろがる・ひろげる・ひろめる
  • 散scatter; disperseOnサンKunちる・ちらす・ちらかす

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