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radiant-flux density

noun
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Definition of radiant-flux density

: the radiant energy in a beam of electromagnetic, thermal, or acoustic radiation passing through a unit normal section per unit time

— called also intensity of radiation

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“Radiant-flux density.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radiant-flux%20density. Accessed 25 Jun. 2022.

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