noun. One who or that which exhausts; specifically, in gas-making, a device for preventing the reflex pressure of gas upon the retorts.

noun. One who, or that which, exhausts or draws out.

noun. exhaust, exhaust pipe

noun. one who exhausts or depletes

"Tonawanda Coke, which for months has been at the center of a battle over air pollution in the town, was cited for having multiple malfunctions to its "exhauster" - a piece of equipment that forces the smoke produced in the coking process into a containment system for treatment."

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