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Meaning of pre-salt layer | Babel Free

Noun CEFR B2

Definitions

Any of the strata laid down prior to a saline layer (formed from encroachment by a sea), and which hold a significant fraction of the world's oil and gas reserves.

CEFR level

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

See also

pre-scrutiny pre-sequel pre-shared key pre-slash pre-Socratic pre-stopping

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