にばい 二倍 Wanikani level 12 Play audio LinksSentence search for 二倍Sentence search for にばいSentence search for 2倍Kanji details for 二 and 倍Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. double; twice (as much); twofoldOther forms2倍 【にばい】 Discussions Log in to talk about this word.