sky wave

noun

Definition of sky wave

: a radio wave that is propagated by means of the ionosphere

First Known Use of sky wave

1924, in the meaning defined above

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The first known use of sky wave was in 1924

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Cite this Entry

“Sky wave.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sky%20wave. Accessed 28 May. 2020.

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