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fossil water

Noun CEFR B2

Definitions

Water that has remained in an aquifer for a long timespan, usually thousands or millions of years.

countable, uncountable

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

fossil word fossildom fossilhood Fossiliferous fossilification fossilisation

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