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Meaning of red shale | Babel Free

Noun CEFR B2

Definitions

A sedimentary rock that is red in color due to the presence of iron oxide minerals.

countable, uncountable

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

red shift red shirt red silky oak red silver red siskin red slaw