a pipe, tube or canal which carries air or liquid from one place to another, as in heating and air-conditioning ducts
Any kind of pipe or channel that carries water, wiring or conditioned air through a house
a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
Round or rectangular conduit through which air is carried from a central air conditioning system to various spaces in the building
1 A single enclosed raceway for wires or cable 2 An enclosure in which air is moved
A large, elongated cell, either round or prismatic, usually found associated with woody fiber
-A channel for holding and protecting conductors and cables, made of metal or an insulating material, usually circular in cross section like a pipe Also referred to as Conduit
an enclosed passage or channel for conveying a substance, especially a liquid or gas
A duct is a pipe, tube, or channel which carries a liquid or gas. a big air duct in the ceiling
One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination
an enclosed conduit for a fluid a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"