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WordNet-Online
Definitions from WordNet
Noun extremely low frequency has 1 sense
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Definitions from the WebTerm: Extremely Low FrequencyDefinition:Extremely Low Frequency (ELF) refers to the range of electromagnetic waves with the lowest frequencies, typically between 3 and 3000 Hz. These waves have longer wavelengths and can travel great distances through water and solid objects. Sense 1 - Noun:In physics and telecommunications, ELF is a frequency band often used in submarine communication systems. Sample Sentence: The submarine crew relied on extremely low frequency waves to communicate with their base on the surface. Sense 2 - Adjective:When referring to a signal or a wave, extremely low frequency indicates a very low rate or occurrence. Sample Sentence: The study found an extremely low frequency of solar flares during the recent decade. Related Products on Amazon: | ||||
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