そいん 素因 LinksSentence search for 素因Sentence search for そいんKanji details for 素 and 因Edit in JMdict Noun, Noun which may take the genitive case particle 'no'1. basic factorNoun, Noun which may take the genitive case particle 'no'2. (medical) predisposition; diathesis Discussions Log in to talk about this word.