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Meaning of ULF | Babel Free

Noun CEFR A2

Definitions

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

abbreviation, alt-of, initialism

CEFR level

A2

Elementary
This word is part of the CEFR A2 vocabulary — elementary level.

See also

ULFA Uliastai Ulibarri ulicyclamide ulidiid Ulieș