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Meaning of ULF | Babel Free

Noun CEFR C2

Definitions

Initialism of Ultra Low Frequency, the band of radio waves between 300 hertz and 3000 hertz.

abbreviation, alt-of, initialism

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

ULFA Uliastai Ulibarri ulicyclamide ulidiid Ulieș

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