Duct

The word duct is derived from the Latin word for led/leading. It may refer to:

Duct (anatomy), various ducts in anatomy and physiology
- Tear duct, which carry tears to the eyes
Duct (HVAC), for transfer of air between spaces in a structure
Duct tape, a kind of adhesive tape
Ducted fan, motor for aircraft
Electrical bus duct, a metal enclosure for busbars
Duct (industrial exhaust), industrial exhaust duct system designed for low pressure-pneumatic convey of gas, fumes, dusts, shavings, and other pollutants from works space to atmosphere after cleaning and removal of contaminants
Atmospheric duct, a horizontal layer in the lower atmosphere in which the vertical refractive index gradients are such that radio signals (a) are guided or ducted, (b) tend to follow the curvature of the Earth, and (c) experience less attenuation in the ducts than they would if the ducts were not present
- Tropospheric ducting, a type of radio propagation in the troposphere that allows signals to travel unusually long distances
- Earth–ionosphere waveguide, a type of atmospheric duct
Surface duct, a sound propagation phenomenon at sea
Duct bank, also named DB duct, is a set of electrical conduits or telecommunications conduits entering a building underground, which includes DB-60 duct, DB-100 duct and DB-120 duct, which are approved in NEC code or CEC code for used USA and Canada.^[1]
Duct Publishing, an imprint of the German group VDM Publishing devoted to the reproduction of Wikipedia content
Dispatchable Unit Control Table (DUCT) in z/Architecture
Flexible Ducting

See also