X band

noun

Definition of X band

: a segment of the superhigh-frequency radio spectrum that lies between 5.2 GHz and 10.9 GHz and is used especially for radars and for spacecraft communication

First Known Use of X band

circa 1946, in the meaning defined above

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The first known use of X band was circa 1946

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Cite this Entry

“X band.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/X%20band. Accessed 27 Jul. 2021.

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