godan verb (-su), transitive verb
smoke; fumigate
To expose something to smoke, often for preservation, flavoring, or pest control. Used with objects like food, rooms, or materials.
魚を燻して燻製を作る。
I smoke fish to make smoked food.
部屋をいぶして虫を追い出す。
I fumigate the room to drive out insects.
godan verb (-su), transitive verb
oxidize
Rare technical use for causing oxidation, typically in chemical or industrial contexts. Not a common everyday meaning.
金属を燻して表面を酸化させる処理がある。
There is a process that oxidizes the surface of metal by smoking it.