noun, verbal noun
If you consume smoke you are smoking.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
None of Tofugu's employees smoke.
Do you know where the smoking room is?
Oh my gosh! That was just way too funny! Why did you think you could smoke with your nose? I am laughing so hard right now.