Duct vs. Flue — What's the Difference?

An often enclosed passage or channel for conveying a substance, especially a liquid or gas.

A flue is a duct, pipe, or opening in a chimney for conveying exhaust gases from a fireplace, furnace, water heater, boiler, or generator to the outdoors. Historically the term flue meant the chimney itself.

(Anatomy) A tubular bodily canal or passage, especially one for carrying a glandular secretion

A duct for smoke and waste gases produced by a fire, a gas heater, a power station, or other fuel-burning installation

A tube or pipe for enclosing electrical cables or wires.

A pipe, tube, or channel for conveying hot air, gas, steam, or smoke, as from a furnace or fireplace to a chimney.

To channel through a duct

An organ pipe sounded by means of a current of air striking a lip in the side of the pipe and causing the air within to vibrate. Also called labial.

To supply with ducts.

The lipped opening in such a pipe.

A pipe, tube or canal which carries gas or liquid from one place to another

A fishing net.

An enclosure or channel for electrical cable runs, telephone cables, or other conductors

A pipe or duct that carries gaseous combustion products away from the point of combustion (such as a furnace).

(anatomy) a vessel for conveying lymph or glandular secretions such as tears or bile

An enclosed passageway in which to direct air or other gaseous current along.

(botany) a tube or elongated cavity (such as a xylem vessel) for conveying water, sap, or air

A woolly or downy substance; down, nap; a piece of this.

(physics) a layer (as in the atmosphere or the ocean) which occurs under usually abnormal conditions and in which radio or sound waves are confined to a restricted path

In an organ flue pipe, the opening between the lower lip and the languet.

(obsolete) guidance, direction

An inclosed passage way for establishing and directing a current of air, gases, etc.; an air passage

To enclose in a duct

In an organ flue pipe, the opening between the lower lip and the languet.

To channel something (such as a gas) or propagate something (such as radio waves) through a duct or series of ducts

Light down, such as rises from cotton, fur, etc.; very fine lint or hair.

Any tube or canal by which a fluid or other substance is conducted or conveyed.

Flat blade-like projection on the arm of an anchor

One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination.

Organ pipe whose tone is produced by air passing across the sharp edge of a fissure or lip

A large, elongated cell, either round or prismatic, usually found associated with woody fiber.

A conduit to carry off smoke

Guidance; direction.

A bodily passage or tube lined with epithelial cells and conveying a secretion or other substance;

A continuous tube formed by a row of elongated cells lacking intervening end walls

An enclosed conduit for a fluid