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Noun: upcast  'úp`kãst
  1. Air passage consisting of a ventilation shaft through which air leaves a mine

Derived forms: upcasts

Type of: air duct, air passage, airway

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up-and-coming
Upanishad
upas
upbeat
upbound
up-bow
upbraid
upbraider
upbraiding
upbringing
upcast
upchuck
upcoming
upcountry
up-country
upcurved
update
updating
updation
Updike
updraft