M

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M is the 13th letter in the English alphabet.

 Meanings for M 
 In calendars, M sometimes means Monday or means one of the months "March" or "May".
 In money, M means million, such as $25M (twenty-five million dollars).
 In the SI, m is the symbol for the metre.
 In Roman numerals, M means one thousand.
 M is also the name of a 1930 German movie made by Fritz Lang and its 1951 remake.

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