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glacial striation

American

noun

a groove scratched or carved into bedrock by rocks embedded in a glacier that has passed over that bedrock.

glacial striation Scientific

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.

Other Word Forms

Inflected Forms

noun

glacial striations

plural

Example Sentences

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Images of falling water, molten lava, glacial striation, swarms and murmurations and eruptions swirl and surge before us, more referential than a typology of nature's randomness.

From The Guardian • Oct. 6, 2012

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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