A device or person that produces fog or mist, especially for pest control or special effects.
From 'fog' + '-er' (suffix meaning one who does or a device that does something). Related to the verb 'to fog' (to obscure or to spray insecticide).
Foggers were invented for mosquito control in the 1950s—the images of streets being sprayed with white clouds were iconic, though we now know some of those chemicals were really dangerous!
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