Duct

A cylindrical or rectangular 'tube' used to move air either from exhaust or intake, and for distributing warm air from the heating plant to rooms, or air from a conditioning device or as cold air returns. The installation is referred to as 'duct work.'
Found on http://www.encyclo.co.uk/local/20933

Duct

• (n.) Any tube or canal by which a fluid or other substance is conducted or conveyed. • (n.) One of the vessels of an animal body by which the products of glandular secretion are conveyed to their destination. • (n.) Guidance; direction. • (n.) A large, elongated cell, either round or prismatic, usually found associated with wo...
Found on http://thinkexist.com/dictionary/meaning/duct/

duct

<anatomy> A passage with well defined walls, especially a tube for the passage of excretions or secretions. ... Synonym: ductus. ... Origin: L. Ductus from ducere = to draw or lead ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

Duct

(ducts) A tube or channel which carries liquid or chemicals from one part of the body to another. For example, ducts in the breasts carry milk to the nipple.
Found on http://www.cancerhelp.org.uk/utilities/glossary/index.htm?search=d

duct

(dukt) a passage with well-defined walls, especially a tubular structure for the passage of excretions or secretions. adj., ductal, adj. .
Found on http://www.encyclo.co.uk/local/21001

duct

(L. ductus from ducere to draw or lead) a passage with well-defined walls, especially a tube for the passage of excretions or secretions; called also ductus (NA).
Found on http://users.ugent.be/~rvdstich/eugloss/DIC/dictio27.html

duct

epithelial duct noun 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`
Found on https://www.encyclo.co.uk/local/20974

Duct

[anatomy] In anatomy and physiology, a duct is a circumscribed channel leading from an exocrine gland or organ. ==Types of ducts== Examples include: ==Duct system== As ducts travel from the acinus which generates the fluid to the target, the ducts become larger and the epithelium becomes thicker. The parts of the system are classified as fo...
Found on http://en.wikipedia.org/wiki/Duct_(anatomy)

Duct

[HVAC] Ducts are used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The needed airflows include, for example, supply air, return air, and exhaust air.Ducts commonly also deliver ventilation air as part of the supply air. As such, air ducts are one method of ensuring acceptable indoor air quality as well as ...
Found on http://en.wikipedia.org/wiki/Duct_(HVAC)

Duct

[industrial exhaust] Industrial exhaust ducts are pipe systems that connect hoods to industrial chimneys through other components of exhaust systems like fans, collectors, etc. Ducts are low-pressure pneumatic conveyors to convey dust, particles, shavings, fumes, or chemical hazardous components from air in the vicinity to a shop floor or a...
Found on http://en.wikipedia.org/wiki/Duct_(industrial_exhaust)

Duct

Duct noun [ Latin ductus a leading, conducting, conduit, from ducere , ductum , to lead. See Duke , and confer Douche .] 1. Any tube or canal by which a fluid or other substance is conducted or conveyed. 2. (Anat.) One of the vessels of an an...
Found on http://www.encyclo.co.uk/webster/D/128

Duct

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.
Found on http://www.youngco.com/young2.asp?ID=4&Type=3

duct

A cylindrical or rectangular 'tube' used to move air either from exhaust or intake. The installation is referred to as 'duct work'.
Found on http://www.encyclo.co.uk/local/21074

Duct

A layer within the atmosphere where refraction and reflection results in the trapping of radar waves
Found on http://www.superglossary.com/Glossary/Technology/Radar/

Duct

A pipe or closed conduit made of sheet metal, fibreglass board, or other suitable material used for conducting air to and from an air handling unit. See also: Duct Acoustics.
Found on http://www.diracdelta.co.uk/science/source/d/u/duct/source.html

duct

A round or rectangular tube, generally constructed of sheet metal, fiberglass board, or a flexible plastic-and-wire composite, located within a wall, floor, and ceiling that distributes heated or cooled air in buildings. Think of your ductwork as huge hoses, delivering hot air or conditioned air i...
Found on http://www.daviddarling.info/encyclopedia/D/AE_duct.html

Duct

A space set-aside for services. May be vertical or horizontal.
Found on http://www.encyclo.co.uk/local/20698

Duct

a tube which carries a secretion onto the surface of skin or mucosa.
Found on http://www.encyclo.co.uk/local/20169

duct

an enclosed conduit for a fluid
Found on https://www.vocabulary.com/lists/1951026

Duct

Any tube, pipe or other conduit by which air or fluid is transfered.
Found on http://www.areforum.org/up/GeneralStructures/JOIST%20AND%20STRUCTURAL%20GLO

duct

duct 1. A conduit, channel, or tube, for the conveyance of water or other liquid. 2. A pipe or tube through which air is conveyed for cooling, ventilation, etc. 3. A conduit for an electric cable or the like. 4. A tube or canal in the animal body, by which the bodily fluids are conveyed. Formerly used in a wide sense, so as to include the bloo...
Found on http://www.wordinfo.info/words/index/info/view_unit/2734/5

Duct

Duct: A passage or a tube with well-defined walls suitable for the conveyance of air or liquids, as the bile duct and the pancreatic duct. Duct is a contraction of the New Latin word ductus. The Romans, however, used the word canalis to designate a conduit.
Found on http://www.medterms.com/script/main/art.asp?articlekey=10672

Duct

Here used to describe a channel within the thickness of a wall or other structural component, used to accommodate pipes or cables, or for ventilation or heating.
Found on http://www.encyclo.co.uk/local/20938

duct

In an air-breathing engine, a channel along which a working fluid is forced to travel in order to increase its momentum and thereby produce thrust.
Found on http://www.daviddarling.info/encyclopedia/D/duct.html

duct

In medicine, a tube or vessel of the body through which fluids pass.
Found on http://www.cancer.gov/dictionary?expand=D
No exact match found