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highwall

American  
[hahy-wawl] / ˈhaɪˌwɔl /

noun

  1. the unexcavated face of exposed overburden and coal in a surface mine.


Etymology

Origin of highwall

high + wall

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Tilcon manager Bill Conklin said they spotted the dog near the top of what he referred to as a highwall, which dropped 45 feet to the rocky edge of a sump pit where groundwater accumulates.

From Washington Times Aug. 27, 2016

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