fumigation

UK: /ˌfjuːmɪˈgeɪʃ^ən/ US: /ˌfjumɪˈgeɪʃən/

WordReference Random House Learner's Dictionary of American English © 2025

fu•mi•gate /ˈfyumɪˌgeɪt/   v. [~ + object] , -gat•ed, -gat•ing. 

1. Chemistry to expose to fumes in order to kill pests.

fu•mi•ga•tion /ˌfyumɪˈgeɪʃən/  n. [uncountable]
fu•mi•ga•tor, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

fu•mi•gate  (fyo̅o̅′mi gāt′), v.t., -gat•ed, -gat•ing. 

1. Chemistry to expose to smoke or fumes, as in disinfecting or exterminating roaches, ants, etc.

• Latin fūmigātus, past participle of fūmigāre to smoke, fumigate, equivalent. to fūm(us) smoke + -igāre (verb, verbal suffix based on -ig-, noun, nominal derivative of agere to drive, do, as in remex, stem remig- oarsman, hence remigāre to row)
• 1520–30;

fu′mi•ga′tion, n. 
fu•mi•ga•to•ry  (fyo̅o̅′mi gə tôr′ē, -tōr′ē, -gā′tə rē), adj.