» air duct

Noun (1 meaning)

1. a duct that provides ventilation (as in mines).

air passage, air duct, airway

air duct is a type of:
  • duct (noun) - an enclosed conduit for a fluid
types of air duct:
  • register (noun) - an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room
  • snorkel, schnorkel, schnorchel, snorkel breather, breather (noun) - air passage provided by a retractable device containing intake and exhaust pipes
  • upcast (noun) - air passage consisting of a ventilation shaft through which air leaves a mine
  • ventilation shaft (noun) - a shaft in a building
parts of air duct: