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Meaning of Wolf number | Babel Free

Noun CEFR B2

Definitions

A measure of the number of sunspots and groups of sunspots present on the surface of the Sun.

CEFR level

B2

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

See also

wolf of Wall Street wolf packing Wolf Point wolf pup wolf snake wolf spider