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circular mil
circular miln. A unit of cross-sectional measurement, especially of wire, equal to the area of a circle with a diameter of one mil.circular mil n (Units) a unit of area of cross section of wire, equal to the area of a circle whose diameter is one thousandth of an inch. 1 circular mil is equal to 0.785 × 10–6 square inch or 0.2 × 10–9 square metre circular mil
circular mil[′sər·kyə·lər ′mil] (mechanics) A unit equal to the area of a circle whose diameter is 1 mil (0.001 inch); used chiefly in specifying cross-sectional areas of round conductors. Abbreviated cir mil. AcronymsSeecurium |