noun
a substance that is used to fumigate or disinfect an area by killing pests or bacteria
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The agriculture industry uses fumigants to control pests and diseases in crops.
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My neighbor had to use a fumigant to get rid of termites in their house.
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I heard you can use that fumigant stuff to clear out a room real quick.
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His words were like a fumigant, clearing out all the doubts and uncertainties in my mind.