duct

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duct

1. any bodily passage, esp one conveying secretions or excretions
2. a narrow tubular cavity in plants, often containing resin or some other substance
3. a channel or pipe carrying electric cable or wires

Duct

A nonmetallic or metallic tube for housing wires or cables, may be underground or embedded in concrete floor slabs; a duct usually fabricated of metal, used to transfer air from one location to another.

duct

[dəkt]
(anatomy)
An enclosed tubular channel for conducting a glandular secretion or other body fluid.
(communications)
An enclosed runway for cables.
(geophysics)
The space between two air layers, or between an air layer and the earth's surface, in which microwave beams are trapped in ducting. Also known as radio duct; tropospheric duct.
(mechanical engineering)
A fluid flow passage which may range from a few inches in diameter to many feet in rectangular cross section, usually constructed of galvanized steel, aluminum, or copper, through which air flows in a ventilation system or to a compressor, supercharger, or other equipment at speeds ranging to thousands of feet per minute.

duct

1. ,See air duct.
2. In electric systems, a metallic or nonmetallic tube, (usually circular, oval, rectangular, or octagonal) for housing wires or cables; may be underground or embedded in concrete floor slabs.

duct

A thin-wall tube installed in aircraft air-conditioning and heating systems to carry heated or cooled air for distribution to various aircraft locations.
References in periodicals archive ?
Two cases (1 biliary duct perforation and 1 bile leakage) received the second surgery: 1 case of biliary duct perforation was performed Roux-en-Y hepaticojejunostomy and stayed in Intensive Care Unit (ICU) for more than 2 weeks; 1 case of bile leakage was performed peritoneal lavage and drainage.
In the company's history of making catheters for a variety of therapeutic areas, the Advance Salivary Duct Balloon Catheter is their first high-pressure balloon dedicated to salivary duct intervention and is part of its dedicated sialendoscopy product range.
Animals: If you have pets at home, it is highly recommended to clean ducts every six months since pet hair gets deposited in ducts and it keeps circulating.
R-values for traditional insulated round ducts can be calculated directly using the geometry of the duct and heat transfer properties of the materials.
The major salivary glands have numerous lobes composed of lobules linked by dense connective tissue containing excretory ducts and blood vessels.
The big announcement is duct tape is coming out with 10 more colors," Hilton says, her voice rising in excitement.
The testes are elongate and lie slightly ventrolateral to the cranial epididymal and Wolffian ducts of the genital kidney (Figs.
Consequently, this patient was considered improper as a liver donor because of the complex variation of the left and right bile ducts.
Table 1 shows typical VAV box connections to the duct main with first cost premiums, estimated pressure drop for the listed example, and recommended applications.
6-fold reduced likelihood of having bile duct cancer compared with those who did not take aspirin.