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 ?
Primary control of air flow through the test duct was accomplished by means of a variable frequency drive, which was used to control the fan speed.
About Mighty Duct - Mighty Duct, Inc was formed in 2015 with the goal of providing high quality air duct cleaning and dryer vent cleaning services to homeowners in the Grand Island area.
com/research/9k6gcv/bile_duct_cancer_t) has announced the addition of GlobalData's new report "Bile Duct Cancer Therapeutics - Pipeline Assessment and Market Forecasts to 2019" to their offering.
In February of 1990, barely a year after it was founded, Duct & Vent Cleaning of America, Inc.
Duct terminators and terminator panels are designed for easy, time-saving installation and termination of all types and sizes of duct.
The cyst was opened, and the distal end of Stensen's duct was identified.
The control duct consists of a traditional installation of buried PVC-coated spiral sheet metal air duct surrounded on four sides with R-10 (ASTM C518) board insulation.
Professional duct cleaning services have been launched in Bahrain to ensure the air inside homes is pollution-free and not making the inhabitants sick.
Shortlisted Bidders when developing and optimising the duct route should be mindful that the sites denoted as Phase 2 may require to be connected at a later date.
0) ducts provided in Table 1 are useful for quickly gauging the insulation value of a duct installation, the generalized equations are more accurate for duct sizing and energy modeling applications that use computer software.
Event volunteer Nance Larsen says, "People make incredible gowns and costumes to the theme every year out of duct tape," in addition to duct tape decorations and sculptures created entirely by volunteers at this duct tape celebration.
June 19, 2014 /PRNewswire/ -- The North American Insulation Manufacturers Association (NAIMA) announces the release of a new instructional training series DVD on fabricating fiber glass duct board systems.