air passage 1
noundomain: artefact
Princeton WordNet [ver.3.1]
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EnglishDefinition
a duct that provides ventilation (as in mines)
EnglishHyponym
register 5
noun
an air passage (usually in the floor or a wall of a room) for admitting or excluding heated air from the room
snorkel 2
noun
air passage provided by a retractable device containing intake and exhaust pipes; permits a submarine to stay submerged for extended periods of time
upcast 1
noun
air passage consisting of a ventilation shaft through which air leaves a mine
a shaft in a building; serves as an air passage for ventilation
Part_holonym
vent 1
noun
a hole for the escape of gas or air
