まんいち・ばんいち・まんいつ・ばんいつ

万一

表記・読み：まんいち・ばんいち・まんいつ・ばんいつ

1. 1

   (unlikely event of) emergency; the worst(-case scenario); 10000 to 1

   名詞
2. 2

   (if) by some chance; by some possibility; in the unlikely event that

   副詞nouns which may take the genitive case particle 'no'