low_frequency has definitions from the fields of music,physics
1
[ noun ] (physics) 30 to 300 kilohertz

Synonyms

LF

Used in print

(1961 Research Highlights of the National Bureau of...)

Since conventional methods are insensitive at the low_frequencies of these molecular transitions , the paramagnetic resonance method is being used instead .

This involves the application of a strong magnetic_field to the radical vapor , which shifts the low-frequency spectra to a conveniently high microwave range , where they may be measured with optimum sensitivity .

2
[ noun ] (music) a pitch that is perceived as below other pitches

Synonyms

low_pitch

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