bn:00001391n
Noun Concept
Categories: Underground mining
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adit  adit level  Adit mining  adits  drainage gallery
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A nearly horizontal passage from the surface into a mine WordNet 3.0
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An adit or stulm is a horizontal or nearly horizontal passage to an underground mine. Wikipedia
A horizontal or nearly horizontal passage from the surface into a mine, as contrasted with a shaft or vertical entry passage. An adit may be used for ventilation, haulage, drainage, or other purposes. Wiktionary
A horizontal or nearly horizontal passage from the surface into a mine. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
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