exhaust fan

noun

a fan for ventilating an interior by drawing air from the interior and expelling it outside.

First recorded in 1870–75

First on the list of power consumers is the exhaust fan, taking it in average use.

The car has a perforated false bottom, to which is attached a powerful exhaust-fan system that sucks the heat out of the coffee.

The leaves are blown away, and finally taken from the building by an exhaust fan.

An exhaust fan of ten feet diameter is placed in the cupola shaft, and is used for summer ventilation only.

An exhaust fan on the top of the main column removes the dust from the work surface.

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