Looking for thermionic emission? Find out information about thermionic emission. emission of electrons electron, elementary particle carrying a unit charge of negative electricity. Ordinary electric current is the flow of electrons... Explanation of thermionic emission
M stands for medium width. It depends if the 10M was on a pair of mens shoes or womens shoes. A 10M in Mens shoes would be a 11 in womens shoes.
MCM is precisely the same as KCMIL. It is the older version. I believe the initial M comes from the Roman numeral that represents 1000. Some have said that it comes from the French word, Mille, which also means 1000. Welcome to the forum.