circular milcircular mil
a unit of measurement for the thickness of wires, equal to the area of a circle with a diameter of one mil
A unit of cross-sectional measurement, especially of wire, equal to the area of a circle with a diameter of one mil.
(plural circular mils)
- The non-SI unit for measuring the cross-sectional area of an electrical conductor: 1 CM= area of a circle having diameter of 0.001 inch; use capitals to distinguish from centimeter; 0.000 506 7 sq millimeters.