ordinary wave
noun
Radio.
(of the two waves into which a radio wave is divided in the ionosphere under the influence of the earth's magnetic field) the wave with characteristics more nearly resembling those that the undivided wave would have exhibited in the absence of the magnetic field.
Compare
extraordinary wave.
Words nearby ordinary wave
ordinary ray,
ordinary seaman,
ordinary share,
ordinary shares,
ordinary stock,
ordinary wave,
ordinary-language philosophy,
ordinate,
ordination,
ordn.,
ordnance