: a segment of the radio spectrum that lies between 10.9 GHz and 36.0 GHz and spans the upper superhigh-frequency and lower extremely-high-frequency bands and that is used especially for police radars, satellite communication, and astronomical observation

Word History

First Known Use

circa 1948, in the meaning defined above

Time Traveler
The first known use of K-band was circa 1948

Dictionary Entries Near K-band

Cite this Entry

“K-band.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/K-band. Accessed 23 Apr. 2024.

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