はいえん 排煙 LinksSentence search for 排煙Sentence search for はいえんKanji details for 排 and 煙Edit in JMdict Noun1. smokestack smoke; flue gas; factory smog; exhaust gasNoun, Suru verb, Transitive verb, Intransitive verb2. smoke extraction; smoke ejection; smoke dispersal Discussions Log in to talk about this word.