circular mil definition

  • noun:
    • A unit of cross-sectional measurement, especially of wire, corresponding to the location of a circle with a diameter of just one mil.
    • The non-SI device for calculating the cross-sectional section of an electrical conductor: 1 CM= part of a circle having diameter of 0.001 inch; use capitals to differentiate from centimeter; 0.000 506 7 sq millimeters.
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