upcast

• Sustantivo que designa un conducto o pozo de ventilación en una mina por el que el aire asciende o se expulsa al exterior.

A noun referring to a ventilation shaft or passage in a mine through which air is expelled or rises.

1. Mine ventilation shaftC1formaltechnical

   A ventilation shaft or passage in a mine through which air is forced upward and out of the mine.

   pozo de ventilación ascendente

   • The miners relied on the upcast to remove stale air from the tunnels.
   • Engineers designed a new upcast to improve airflow underground.
   • The upcast shaft was inspected for blockages regularly.

   Sinónimosair shaftventilation shaft

   Antónimosdowncast