Definition of duct in English:

duct

Line breaks: duct
Pronunciation: /dʌkt
 
/

noun

1A tube or passageway in a building or machine for air, liquid, cables, etc. leading the air through ducts in the floor ventilation ducts
More example sentences
  • The foot-deep wall also holds a mirrored medicine cabinet and conceals a maze of plumbing, air ducts, and ventilation equipment.
  • Gas had built up and seeped through pipes, drains and cable ducts into the bungalows.
  • The doctor conceded that during his 16 years of occupancy, the air ducts of the building have not been cleaned.
1.1(In the body) a vessel for conveying lymph or glandular secretions such as tears or bile.
More example sentences
  • It is filled with nerves, blood vessels and lymph ducts which run through it and connect it to your body, making it part of you.
  • The stroma consists of fatty tissue and ligaments surrounding the ducts and lobules, blood vessels and lymphatic vessels.
  • Using this procedure, physicians can view these organs and inject dye into the bile and pancreatic ducts to make them visible by x-ray.
1.2(In a plant) a vessel for conveying water, sap, or air.
More example sentences
  • Insects cut veins in plants with arborescent resin canals or in plants with laticiferous ducts that do not reticulate.
  • To illustrate this point it was found that in stems and petioles of several species of the Umbelliferae, such as celery, the antiserum only labelled a layer of cells that line a system of ducts which ramify throughout the plant body.

verb

[with object] Back to top  
Convey through a duct: a ventilation system that must be ducted through the wall
More example sentences
  • Units are best located in garages or basements or even under the stairs, provided the exhaust air is ducted to the outside, otherwise the motor could overheat.
  • Even worse, some of the air may not be ducted at all.
  • Warm, stale air is then ducted out through the ceiling.

Origin

mid 17th century (in the sense 'course' or 'direction'): from Latin ductus 'leading, aqueduct' from duct- 'led', from the verb ducere.

Derivatives

ductal

adjective
More example sentences
  • The most commonly used classification of invasive breast cancers divides them into ductal and lobular types.
  • The most common type of male breast cancer is invasive ductal carcinoma.
  • Injuries range from minor contusions or lacerations to major ductal injuries and transections that result in the formation of pseudocysts.

Definition of duct in: