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circular mil

noun
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Definition of circular mil

: a unit of area used especially for the cross section of wire equal to the area of a circle having a diameter of one mil and equivalent to 0.000000785 square inch

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“Circular mil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/circular%20mil. Accessed 29 Oct. 2020.

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