noun
smoke; fumes
General term for visible vapor from burning or heating.
煙が目にしみた。
The smoke stung my eyes.
火事でたくさんの煙が出ている。
A lot of smoke is coming from the fire.
Standard kanji spelling.
Kana spelling is common in everyday writing.
Rarely used kanji form.
蒸気 is steam or vapor, often from water, while 煙 is smoke from combustion.
Native Japanese word. The kanji 煙 is a phono-semantic compound with 火 (fire) and 垔 (phonetic, also suggesting something rising).