air equivalent


Definition of air equivalent

: the absorbency of a layer of material in terms of the thickness of a layer of air that would have the same absorbency for the same radiation

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First Known Use of air equivalent

1908, in the meaning defined above

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Time Traveler for air equivalent

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The first known use of air equivalent was in 1908

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Dictionary Entries Near air equivalent

air entrainment

air equivalent


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Cite this Entry

“Air equivalent.” Dictionary, Merriam-Webster, Accessed 28 May. 2022.

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