air defense

noun

: the means, techniques, and organizations devoted to preventing or minimizing the effects of attack by enemy aircraft or guided missiles

Word History

First Known Use

1916, in the meaning defined above

Time Traveler
The first known use of air defense was in 1916

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Cite this Entry

“Air defense.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/air%20defense. Accessed 17 Jul. 2024.

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