circular mil

noun

1. a unit used principally for measuring the cross-sectional area of wires, being the area of a circle having a diameter of one mil.

circular mil

noun

1. 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 ^–6square inch or 0.2 × 10 ^–9square metre

Example Sentences

The circular-mil area of a circular area, such as the cross section of a wire, can be found by squaring the diameter.

From Project Gutenberg