ultralow frequency
noun
an electromagnetic wave with a frequency between 300 and 3000 hertz. Abbreviation: ULF, ulf
Words nearby ultralow frequency
ultraleft,
ultraleftist,
ultraliberal,
ultraligation,
ultralight,
ultralow frequency,
ultramafic,
ultramarathon,
ultramarine,
ultrametamorphism,
ultramicrobalance