排煙 はいえん smokestack smoke #22,588 Meanings noun smokestack smoke; flue gas; factory smog; exhaust gas noun, takes する, transitive, intransitive smoke extraction; smoke ejection; smoke dispersal Its kanji 排 ハイ repudiate, exclude, expel, reject, line up, arrange 煙 エン · けむ.る、けむり、けむ.い smoke