craton definition - Dictionary

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crass

crassulacean acid metabolism

Crater Lake National Park

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craton

cra·ton [ kráy tòn ] (plural cra·tons)

noun

Definition:

stable part of earth's crust: the extensive interior of a large block of the Earth's crust that has been relatively stable for many millions of years

[Mid-20th century. Either alteration of kratogen< Greek kratos "strength"; or < German Kraton, alteration of Greek kratos]

cra·ton·ic [ kray tónnik ] adjective

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