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Meaning of Schumann resonance | Babel Free

Noun CEFR B2

Definitions

Any of a set of spectrum peaks in the extremely low-frequency (ELF) portion of the Earth's electromagnetic field spectrum, generated and excited by lightning discharges in the cavity formed by the Earth's surface and the ionosphere.

CEFR level

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

See also

Schumer Schumer box Schumm Schumpert Schumpeter Schumpeter's gale

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