Dictionary/発煙はつえんHatsuen発煙 (Hatsuen) is a Japanese noun meaning “emitting smoke, fuming”.Meaningsnounemitting smoke; fumingKanji in 発煙発departure煙smokeRelated words発見discovery開発development発表announcement爆発explosion発生occurrence発departure出発departure花火fireworks発言statement一発one shot告発indictment煙草tobacco