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BOULDER CLAY
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
Unstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
Synonyms:
boulder clay; till
Classified under:
Hypernyms ("boulder clay" is a kind of...):
dirt; soil (the part of the earth's surface consisting of humus and disintegrated rock)