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Meaning of azoic rock | Babel Free

Noun CEFR B2

Definitions

  1. primeval rock formed during the Hadean and devoid of any fossil
  2. Alternative letter-case form of azoic rock.
    alt-of, dated

CEFR level

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