English Dictionary

blast furnace

noun

(metallurgy) forge in which ore is smelted to metal, the process being intensified by a blast of hot air. / (metallurgy) as above, but specifically a forge where the fuel and the ore are intermixed.

The blast furnace is used to smelt iron ore.

意味（1）

(metallurgy) forge in which ore is smelted to metal, the process being intensified by a blast of hot air.

Just before Bloworth Crossing, you'll walk a short distance along the trackbed of the old mineral railway that connected the old ironstone mines at Rosedale with the blast furnaces of Middlesbrough.

意味（2）

(metallurgy) as above, but specifically a forge where the fuel and the ore are intermixed.