Definitions
from The Century Dictionary.
- noun The opening through which slag or cinder is discharged from a blast-furnace or cupola. The slag is lighter than the fused metal and floats upon its surface. It can therefore be discharged through an opening at the proper level as it accumulates during the process.
Etymologies
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Examples
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Redder than strawberry syrup and as hot as the fiery lake in Hades it flows over the rim of the hearth and out through the slag-hole.
The Iron Puddler Davis, James J 1922
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