X band

noun

: 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

Examples of X band in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Another obvious point: So many legendary Gen X bands have lost key members, but Oasis have managed to stick around. Brian Hiatt, Rolling Stone, 15 Sep. 2025 My cell phone, my Bluetooth headset are going to interfere at UHF, but nothing is really getting up in the X band yet. IEEE Spectrum, 15 Apr. 2021

Word History

First Known Use

circa 1946, in the meaning defined above

Time Traveler
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 1 Oct. 2025.

Last Updated: - Updated example sentences
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