へいはつ 併発 LinksSentence search for 併発Sentence search for へいはつKanji details for 併 and 発Edit in JMdict Noun, Suru verb, Transitive verb, Intransitive verb, Noun which may take the genitive case particle 'no'1. concurrence; coincidence; complication (in illness) Discussions Log in to talk about this word.