Jisho

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Noun, Noun which may take the genitive case particle 'no'
1. spontaneous generation; abiogenesisBiology
Noun, Noun which may take the genitive case particle 'no'
2. natural occurrence; spontaneous occurrence
  • ほしくさ干し草
  • しぜんはっせい自然発生
  • てき的に
  • 火がついた
A spontaneous fire started in the hay.

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