low frequency

low frequency

noun Radio.
any frequency between 30 and 300 kilohertz. Abbreviation: LF

Origin:
1895–1900

low-fre·quen·cy, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Low frequency is always a great word to know.
So is doohickey. Does it mean:
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a gadget; dingus; thingumbob.
Collins
World English Dictionary
low frequency
 
n
LF a radio-frequency band or a frequency lying between 300 and 30 kilohertz

Collins English Dictionary - Complete & Unabridged 10th Edition
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