glacial striation
One of several, long, straight, parallel lines or grooves in a bedrock surface, formed by boulders, gravel, and pebbles embedded in a glacier that has passed over the surface.
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Words nearby glacial striation
glacial epoch, glacialist, glacial meal, glacial milk, glacial period, glacial striation, glacial valley, glaciate, glacier, Glacier Bay, glacier cream
The American Heritage® Science Dictionary
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