Definition of duct in English:

duct

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’
    • ‘The fire then spread to the upper floors of the building along the air-conditioning ducts.’
    • ‘The $5 shelters are inflated and heated by attaching a long tube to the heating ducts or steam vents of buildings.’
    • ‘Cable ducts, omitted in the £212 million rebuild, are being inserted next spring to cut broadcasting costs.’
    • ‘At times there was fuzzy growth on grates of air-conditioning ducts and exhaust tubes from cooktops and laundry dryers.’
    • ‘Dedicated horizontal and vertical cable ducts, and floor boxes give flexible access to electrical and data services.’
    • ‘The doctor conceded that during his 16 years of occupancy, the air ducts of the building have not been cleaned.’
    • ‘With their concrete floors, conspicuous air ducts, and metal bridges, they summon the atmosphere of an old industrial building.’
    • ‘Routing the supply ducts from the machine room over unoccupied bathrooms or storage areas provides another 10-point reduction in radiated noise level in occupied spaces.’
    • ‘The machine had gone in through the air ducts so it wasn't completely known how to actually get into the hallway, but there wasn't enough time for it to find out.’
    • ‘In fact it's tucked away on the roof, surrounded by air conditioning ducts and vents.’
    • ‘Its air conditioning system - window walls with glazed ventilation ducts rising from the floor - was noted as particularly progressive by contemporary architectural magazines.’
    • ‘The people were infected while walking past the ventilation duct in an alleyway.’
    • ‘Contamination of the ventilation ducts by micro-organisms was blamed.’
    • ‘It depicts the seedy underbelly of a large building, complete with wires in the air and on the ground, air ducts, tubes, big metal boxes, and other big things that make a lot of noise.’
    • ‘Gas had built up and seeped through pipes, drains and cable ducts into the bungalows.’
    • ‘The heating ducts may have held fungal spores propagated by bats living in a chimney.’
    • ‘Inverted fruit bushels shade the light bulbs that hang down from exposed ventilation ducts on the high ceiling.’
    • ‘For facilities, that means air intakes, ducts and ventilation points are prime targets.’
    • ‘The foot-deep wall also holds a mirrored medicine cabinet and conceals a maze of plumbing, air ducts, and ventilation equipment.’
    • ‘Above their heads, concealed by ceiling panels, was a space of perhaps 50 centimetres containing pipework, ducts and cables.’
    tube, channel, passage, canal, vessel
    View synonyms
    1. 1.1 (in the body) a vessel for conveying lymph or glandular secretions such as tears or bile.
      • ‘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 biopsy specimen showed a cystic tumor arising from a dilated eccrine duct.’
      • ‘He was unable to find any duct from this gland and concluded that none existed.’
      • ‘The digestive enzymes enter the small intestine by way of a duct shared with bile coming from the gallbladder.’
      • ‘The exposed surface of skin is not smooth but creased by flexion folds around skeletal joints, and it is also pitted by openings of hair follicles and sweat gland ducts.’
      • ‘Thin-walled, artery-like vessels lacking corresponding ducts were scattered throughout the tumor.’
      • ‘The stroma consists of fatty tissue and ligaments surrounding the ducts and lobules, blood vessels and lymphatic vessels.’
      • ‘Allergies to foods can trigger spasms of the gall bladder duct, so you should visit a practitioner who can diagnose any allergies you may have and adjust your diet accordingly.’
      • ‘Colic pain is precipitated by spasm of a dilated cystic duct that is obstructed by gallstones.’
      • ‘The urethra and the ejaculatory ducts penetrate the prostate gland.’
      • ‘Here the soft tissue lining the inner ear narrows to form a vessel, the perilymphatic duct.’
      • ‘The tumor seemed to originate from the main mammary duct, given its close association with the nipple.’
      • ‘Cells were not counted if they were in blood vessels, mucous glands, or mucous gland ducts.’
      • ‘As the interlobular and septal ducts are destroyed, ductular proliferation may occur.’
      • ‘Using this procedure, physicians can view these organs and inject dye into the bile and pancreatic ducts to make them visible by x-ray.’
      • ‘This is a transverse view of the epigastrium in a patient with a dilated pancreatic duct.’
      • ‘The respiratory bronchioles, alveolar ducts, and alveoli occupy the space between the core and septal structures.’
      • ‘The portion of pancreas had a dilated pancreatic duct but no discrete masses.’
      • ‘These structures include the cystic duct, the common hepatic duct, and the inferior border of the liver.’
      • ‘It is comprised of a network of ducts, called lymph vessels or lymphatics, and carries lymph, a clear, watery fluid that resembles the plasma of blood.’
      tube, channel, passage, canal, vessel
      View synonyms
    2. 1.2 (in a plant) a vessel for conveying water, sap, or air.
      • ‘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.’
      • ‘Insects cut veins in plants with arborescent resin canals or in plants with laticiferous ducts that do not reticulate.’
      tube, channel, passage, canal, vessel
      View synonyms

verb

[WITH OBJECT]
  • Convey through a duct.

    ‘a ventilation system that must be ducted through the wall’
    • ‘The ducting of the main village has been completed for four years and nothing can proceed any further with the proposed removal of the poles until all individual house cables are ducted, with 1.5 or 2 inch piping.’
    • ‘This appeared to carry water ducted from the hills north of the site, where North Farm now stands, to either the village or the manor house.’
    • ‘Supply and return air to and from the ground floor is ducted to diffusers incorporated in and above the light fittings.’
    • ‘Warm, stale air is then ducted out through the ceiling.’
    • ‘This ducts air directly from the atmosphere, mixing it with hydrogen before combustion.’
    • ‘Many systems are available, but most professionals agree that a ducted air handler dedicated to the cellar is the best way to go.’
    • ‘In temperate climates, many affordable housing providers rely on upgraded bath fans and kitchen range hoods ducted to the outside.’
    • ‘Even worse, some of the air may not be ducted at all.’
    • ‘If instead you have electronic air cleaners in place of a ducted system, follow manual instructions for regular cleaning of filters.’
    • ‘The windows don't open and the air is filtered and ducted.’
    • ‘It will also have more and larger openings in the nose of its body to allow a greater volume of air to be ducted to the radiator and brakes.’
    • ‘Larger air-to-air systems, typically in the range of one to five tons, can be located outside the facility with the cool air ducted through a window or other building opening.’
    • ‘It is designed to propel itself by using ducted fans, take pictures, analyze temperature and gas levels, and communicate by voice control.’
    • ‘Couple this case with a Zalman ducted CPU fan, and overall fan noise can be kept to a minimum.’
    • ‘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.’
    • ‘Feeder streams come down from the low surrounds of heather, and are nicely ducted under the track.’
    • ‘I have fully ducted air-conditioning, a swimming pool and bore water.’
    • ‘Where the extra space cooling the system provides is needed and can be easily ducted to the area where it is used.’
    • ‘‘Recently in the Columbia accident office, sitting in the meeting room, he said you had a gapfiller sticking up and it ducted hot gas into your wheel well,’ he offered.’
    • ‘You could dissassemble the duct easily enough and reverse the fan if you wanted to duct cold air into the CPU area.’

Origin

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

Pronunciation

duct

/dʌkt/