Wiktionary
deodoriser
n. A device for removing or covering obnoxious odors; a device to dispense deodorant.
Wikipedia
Deodoriser
A deodoriser is an equipment for deodorising, the final stage in vegetable oil refining. Deodorising removes odoriferous material, free fatty acids and other undesired minor components to produce a bland oil with a good shelf life.
Usage examples of "deodoriser".
A familiar but loathed smell was beginning to insinuate itself through the masking deodoriser that was constantly being injected into the air supply.