noun
3 to 30 kilohertz
• Syn: ↑very low frequency
• Hypernyms: ↑radio frequency
• Part Holonyms: ↑electromagnetic spectrum
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abbreviationUsage: often not capitalized
very low frequency
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See very low frequency.
Also, vlf.
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abbrev
Very low frequency
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VLF (no periods), V.L.F., or vlf (no periods),
very low frequency (of or having to do with the electromagnetic spectrum below 30 kilohertz, especially in radio transmission and reception).
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abbr. very low frequency (denoting radio waves of frequency 3 - 30 kHz and wavelength 10 - 100 km)
Useful english dictionary. 2012.