The act of fumigating, or applying smoke or vapor, as for disinfection.(noun)
Vapor raised in the process of fumigating.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "fumigation" in a sentence
"Frankly we think the only thing in need of fumigation is Ted’s brain because clearly it isn’t able to handle the obvious (see below)."
"Need to have a complete blood change and brain fumigation."
"After letting the pipe cool, and then filling it with a favourite blend of mingled Virginia, Perique, and Latakia, our friend asserts that he is blessed with a cool, saporous, and enchanting fumigation which is so fragrant that even his wife has remarked upon it in terms complimentary."