noun
: 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
noun
: 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
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012