A duct 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
  • Duct bank, a set of electrical conduits, entering a building underground
  • Duct Publishing, an imprint of the German group VDM Publishing devoted to the reproduction of Wikipedia content

Other articles related to "duct, ducts":

... An S-duct is a type of jet engine intake duct, used in several types of trijet aircraft ... The S-duct is located in the tail, or empennage, of the aircraft ... The shape of the S-duct is distinctive and easily recognized, and was used in several aircraft, beginning in 1962 with the Hawker Siddeley Trident ...
S-duct - Benefits and Drawbacks
... The S-duct was invented as a solution for positioning the central engine on trijets ... The S-duct was easier to service than alternative trijet designs ... Most trijet designs opted for the S-duct layout ...
... The salivon is the salivary secretion unit, consisting of the terminal acini, the intercalated duct, the striated duct, and the excretory duct ...
Seminal Tract
... system and consists of Seminiferous tubules (Tubuli seminiferi recti, Rete testis, Efferent ducts), Epididymis (Appendix), Vas deferens (Ampulla) and Ejaculatory duct ... seminiferi recti Rete testis Efferent ducts Epididymis Appendix Stereocilia Paradidymis Spermatic cord Vas deferens Ampulla Ejaculatory duct Accessory glands ...