extraordinary wave

noun

, Radio.

1. (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 different from those that the undivided wave would have exhibited in the absence of the magnetic field.

Word History and Origins

Origin of extraordinary wave¹

First recorded in 1880–85

Example Sentences

An extraordinary wave of emotion came over him, finely strung as he was, and susceptible to all grades of feeling.

From Project Gutenberg

However, neither Luke Trull nor any extraordinary wave of natural predators had as yet attacked the muskrat colonies.

From Project Gutenberg

How are we to account for this extraordinary wave of Cabalism in Western Europe?

From Project Gutenberg