microwave background

noun

Definition of microwave background

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First Known Use of microwave background

1966, in the meaning defined above

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Time Traveler for microwave background

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The first known use of microwave background was in 1966

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Cite this Entry

“Microwave background.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/microwave%20background. Accessed 21 Oct. 2020.

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