拡散

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See also: 扩散 and 擴散

Japanese

Kanji in this term
拡 散
かく
Grade: 6 		さん
Grade: 4
on'yomi
Alternative spelling
擴散 (kyūjitai)

Pronunciation

Noun

拡(かく)散(さん) • (kakusan) ←くわくさん (kwakusan)?

  1. diffusion, scattering, spread
    核(かく)拡散(かくさん)は深刻(しんこく)な軍(ぐん)事(じ)上(じょう)の脅(きょう)威(い)である。
    Kaku kakusan wa shinkoku na gunjijō no kyōi de aru.
    Nuclear proliferation poses a serious military threat.
    拡散(かくさん)希望(きぼう)
    kakusan kibō
    (Internet) please retweet
    (literally, “hope that you help spread ”)
  2. (physics) diffusion

Verb

拡(かく)散(さん)する • (kakusan suru) ←くわくさん (kwakusan)?intransitive suru (stem 拡(かく)散(さん)し (kakusan shi), past 拡(かく)散(さん)した (kakusan shita))

  1. to scatter, to spread

Conjugation

Conjugation of "拡散する" (See Appendix:Japanese verbs.)
Katsuyōkei ("stem forms")
Mizenkei ("imperfective") 拡散し かくさんし kakusan shi
Ren’yōkei ("continuative") 拡散し かくさんし kakusan shi
Shūshikei ("terminal") 拡散する かくさんする kakusan suru
Rentaikei ("attributive") 拡散する かくさんする kakusan suru
Kateikei ("hypothetical") 拡散すれ かくさんすれ kakusan sure
Meireikei ("imperative") 拡散せよ¹
拡散しろ² 		かくさんせよ¹
かくさんしろ² 		kakusan seyo¹
kakusan shiro²
Key constructions
Passive 拡散される かくさんされる kakusan sareru
Causative 拡散させる
拡散さす 		かくさんさせる
かくさんさす 		kakusan saseru
kakusan sasu
Potential 拡散できる かくさんできる kakusan dekiru
Volitional 拡散しよう かくさんしよう kakusan shiyō
Negative 拡散しない かくさんしない kakusan shinai
Negative continuative 拡散せず かくさんせず kakusan sezu
Formal 拡散します かくさんします kakusan shimasu
Perfective 拡散した かくさんした kakusan shita
Conjunctive 拡散して かくさんして kakusan shite
Hypothetical conditional 拡散すれば かくさんすれば kakusan sureba
¹ Written imperative

² Spoken imperative

References

  1. ^ Matsumura, Akira, editor (2006), 大辞林 (in Japanese), Third edition, Tokyo: Sanseidō, →ISBN
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