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Meaning of pyrosphere | Babel Free

Noun CEFR B2

Definitions

The zone of igneous activity and lava formation, situated between the lithosphere and barysphere.

dated, uncountable

CEFR level

B2

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

See also

pyrostat pyrostephid pyrostilpnite pyrosulfate pyrosulfite pyrosulfuric acid