noun a channel for conveying heat or smoke from a fireplace, furnace, or stove
A flue is a duct or pipe used to exhaust gases from a heating system, such as a furnace or boiler, to the outdoors.
In chimney construction, a flue is the passage that allows smoke and gases to exit the building safely.
A flue in a fireplace is essential for proper ventilation and to prevent smoke from entering the room.
Industrial ovens often have flues to remove exhaust gases produced during the baking or curing process.
Wood stoves require a flue to safely vent smoke and gases produced by burning wood.
In the context of a writer, 'flue' may be used to describe the passage in a chimney through which smoke and gases pass.
In the context of a psychologist, 'flue' may be used metaphorically to describe the flow of thoughts and emotions in the mind.