tuyeres

/twiˈjɛrz/
noun
  1. Nozzles or pipes through which air is blown into a furnace, forge, or blast furnace to supply oxygen for combustion.
    • The blacksmith adjusted the tuyeres to increase the airflow into the forge.
    • The blast furnace's tuyeres were replaced to improve efficiency.
    • In the steel mill, workers inspected the tuyeres for blockages before the next heat.
Synonyms