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rock glacier
noun
- a mass of rock resembling a valley glacier that moves or is moved down a slope by its own weight or by the action of frost and interstitial ice.
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Word History and Origins
Origin of rock glacier1
First recorded in 1900–05
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Example Sentences
For decades, the rock glacier slid downhill just a few inches a year, creating small cracks in the road that required only sporadic maintenance.
From Washington Post
The last half-mile of the Nisqually Glacier has the appearance more of a rock glacier than an ice glacier.
From Project Gutenberg
This slide had been temporarily changed into a rock glacier—a slow, down-sliding mass of confused broken rocks.
From Project Gutenberg
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