You searched for: “fumigants
fumigant (s) (noun), fumigants (pl)
A chemical compound or substance used while it is a gaseous state: "Ted had a man come to his farm to spray a fumigant of pesticides and disinfectants to make the barn safer for his live stock."
This entry is located in the following units: ag-, agen-, act-, agi-, agit- (page 9) fumi-, fum- (page 2)