せいそく 正則 Common word LinksSentence search for 正則Sentence search for せいそくKanji details for 正 and 則Edit in JMdict Na-adjective (keiyodoshi), Noun which may take the genitive case particle 'no', Noun1. correct; proper; formal; regular; systematic; normalNa-adjective (keiyodoshi), Noun which may take the genitive case particle 'no'2. invertible (matrix); holomorphicMathematics Discussions Log in to talk about this word.