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Meaning of tuyère

tu•yère

Pronunciation: (twē-yâr', t-, twēr Fr. ty-yer'), [key]
— pl. tu•yères
  1. an opening through which the blast of air enters a blast furnace, cupola, forge, or the like, to facilitate combustion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.